EP2913835B3 - Safety circuit breaker strip for low-voltage high-power fuses - Google Patents

Safety circuit breaker strip for low-voltage high-power fuses Download PDF

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Publication number
EP2913835B3
EP2913835B3 EP14156859.2A EP14156859A EP2913835B3 EP 2913835 B3 EP2913835 B3 EP 2913835B3 EP 14156859 A EP14156859 A EP 14156859A EP 2913835 B3 EP2913835 B3 EP 2913835B3
Authority
EP
European Patent Office
Prior art keywords
circuit breaker
load
housing
breaker assembly
fuse
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP14156859.2A
Other languages
German (de)
French (fr)
Other versions
EP2913835A1 (en
EP2913835B1 (en
Inventor
Philipp Steinberger
Joram Masel
Hans-Juergen Henning
Christopher Curth
Daniel Steiner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wohner Besitz GmbH
Woehner Besitz GmbH
Original Assignee
Wohner Besitz GmbH
Woehner Besitz GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to PL14156859T priority Critical patent/PL2913835T6/en
Application filed by Wohner Besitz GmbH, Woehner Besitz GmbH filed Critical Wohner Besitz GmbH
Priority to EP14156859.2A priority patent/EP2913835B3/en
Priority to SI201430153A priority patent/SI2913835T1/en
Priority to DK14156859.2T priority patent/DK2913835T3/en
Priority to CN201510087850.4A priority patent/CN104868366B/en
Priority to US14/631,034 priority patent/US9721745B2/en
Priority to BR102015004257-4A priority patent/BR102015004257B1/en
Publication of EP2913835A1 publication Critical patent/EP2913835A1/en
Application granted granted Critical
Publication of EP2913835B1 publication Critical patent/EP2913835B1/en
Publication of EP2913835B3 publication Critical patent/EP2913835B3/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/43—Means for exhausting or absorbing gases liberated by fusing arc, or for ventilating excess pressure generated by heating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/10—Adaptation for built-in fuses
    • H01H9/102—Fuses mounted on or constituting the movable contact parts of the switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/02—Details
    • H01H31/12—Adaptation for built-in fuse
    • H01H31/122—Fuses mounted on, or constituting the movable contact parts of, the switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/47—Means for cooling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2213/00—Venting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H01H9/342—Venting arrangements for arc chutes

Definitions

  • Fuse switch disconnectors are used as power distribution components for the electrical energy supply within buildings, for example office centers or companies, as well as in electricity supply companies. Fuse switch disconnectors are used as power distribution components for currents with high current amplitudes.
  • the fuse switch disconnectors can be mounted on busbars for different current phases of a multi-phase power supply system.
  • the busbars usually run horizontally and the fuse switch disconnectors are mounted transversely or vertically on the busbars.
  • a fuse contact pair for receiving a fuse link is provided for each current phase to be separated.
  • the fuses or fuse inserts are thus arranged in a row essentially perpendicular to one another after they have been mounted on the busbars.
  • a disadvantage of conventional fuse switch disconnectors is that heat loss generated by the fuse links or fuses flows upwards within the housing of the fuse switch disconnector, so that a build-up of heat can arise in the upper area within the housing, through which those located in this area can build up Fuse links can be heated inadmissibly.
  • the heat build-up in the upper area of the housing of the fuse switch disconnector can cause the fuse links located there to age due to the increased temperature, which means that uncontrolled triggering of the fuse links concerned cannot be ruled out.
  • a fuse switchgear device which has, inter alia, at least one insulating material housing, at least one movable fuse holder for a fuse link and at least one connection space equipped with contact means for receiving the fuse link.
  • a switching device for separating three current conductors and a neutral conductor is used to separate the three current conductors and a second switching device with a separating element is used to separate the neutral conductor.
  • the EP 1 045 414 A1 a fuse switch disconnector in strip design for NH fuses disclosed.
  • the switch has a lower strip part which has, among other things, means for conducting current and making contact to the fuses, means for fastening the switch on the rail system and means for clamping connection lines.
  • the invention accordingly creates a fuse switch disconnector for low-voltage high-performance fuses, with a fuse contact pair for receiving a fuse link being provided within a housing of the fuse switch disconnector for each current phase to be separated, the fuse switch disconnector being characterized in that a heat loss generated by the fuse links in at least one laterally provided on the housing of the fuse switch disconnector heat dissipation channel is derived.
  • switching gases are diverted into a switch gas discharge duct which is provided on the side of the housing of the fuse switch disconnector and is separated from the heat dissipation duct.
  • each fuse contact pair has two fuse contacts, each of which is covered by a protective cover.
  • the contact protection hood is preferably symmetrical and has two hood heads.
  • the two hood heads of the touch protection hood each have outlet openings for releasing heat into the heat dissipation channel and for releasing switching gases into the switching gas discharge channel.
  • the fuse switch-disconnector is mounted transversely on essentially horizontally running busbars, with several fuse inserts provided for the various busbars being arranged in a row within the housing of the mounted fuse switch-disconnector.
  • a vertical heat dissipation channel is provided on one of the two side walls of the housing of the fuse switch disconnector mounted on the busbars, through which the heat dissipation generated by the fuse links escapes.
  • a vertically running switch gas discharge channel is provided on one or both side walls of the housing of the fuse switch-disconnector mounted on the busbars to divert a switch gas generated when switching.
  • a Fuse contact of a fuse contact pair connected to a connection bracket via a fuse contact bracket and two parallel flat outgoing rail parts.
  • the fuse contact bracket is attached to a first end of the two parallel outgoing rail parts between the two outgoing rail parts.
  • connection bracket is attached to a second end of the two parallel outgoing rail parts between the two outgoing rail parts.
  • the parallel outgoing busbar parts are inserted in an inner guide channel running inside the housing of the fuse disconnector parallel to the side walls of the housing.
  • At least one further, parallel outer guide channel for receiving electrical lines is provided between the side walls of the housing and the inner guide channel.
  • the guide channels run essentially vertically within the housing of the fuse switch-disconnector mounted on the busbars, with the heat loss from the output rails and / or the electrical lines being dissipated upwards through openings in the housing.
  • the heat dissipation channel and the switching gas discharge channel each run as a trough-shaped recess along the side walls of the housing of the fuse switch disconnector and, together with a heat dissipation channel and a switching gas channel, form two closed channels for the separate dissipation of heat dissipation and a switching gas channel of another fuse switch disconnector arranged directly next to it the switching gases.
  • the corresponding fuse link can be pivoted out of the associated fuse contact pair in order to separate a current phase.
  • fuse switch disconnector In a possible embodiment of the fuse switch disconnector according to the invention, several current phases can be separated simultaneously by means of a centrally arranged, manually operable switch handle.
  • the manually operated switch handle is attached to a push rod located in the housing of the fuse switch disconnector, which swings the fuse links out of the fuse contact pairs associated with the current phases.
  • the invention also provides a power distribution arrangement having the features specified in claim 17.
  • the invention accordingly creates a power distribution arrangement with a plurality of essentially horizontally running busbars for different power phases of a multiphase power supply system, at least one fuse switch disconnector for low-voltage, high-performance fuses is mounted on the busbars, wherein the fuse switch disconnector has a housing and within the housing of the fuse switch disconnector a pair of fuse contacts is provided for each current phase to be separated to accommodate a fuse link, wherein a heat loss generated by the fuse links is dissipated in at least one heat dissipation channel provided on the side of the housing of the fuse switch disconnector.
  • the current distribution arrangement is designed for rated currents of more than 600 amperes.
  • the busbars are arranged at a rail spacing of 185 mm.
  • the busbars each have a busbar width of up to 120 mm.
  • the fuses or fuse links are NH fuses.
  • the fuses or fuse links are UL fuses.
  • the fuse switch-disconnector can be switched on one pole.
  • the fuse switch disconnector is multi-pole switchable.
  • Fig. 1 shows an embodiment of a fuse switch disconnector 1 according to the invention for low-voltage high-performance fuses.
  • the in Fig. 1 The illustrated embodiment, the fuse switch disconnector 1 is three-pole and is used to accommodate three low-voltage high-performance fuses for three different current phases.
  • the in Fig. 1 The illustrated embodiment, the fuse switch disconnector 1 is multi-pole switchable, that is, all current phases can be separated simultaneously by operating a switch handle.
  • the fuse switch-disconnector 1 is single-pole switchable, ie each current phase L1, L2, L3 to be separated can be separated separately by means of an associated switch handle 4.
  • the fuse switch disconnector 1 has a housing 2.
  • the housing 2 is preferably composed of several housing components.
  • a fuse contact pair for receiving an associated fuse link 5A, 5B, 5C is provided for each current phase to be separated.
  • a heat loss generated by the fuse links 5A, 5B, 5C is dissipated in a heat dissipation channel 3 provided on the side of the housing 2 of the fuse switch-disconnector 1, as shown in FIG Fig. 1 is shown.
  • a manually operable switch handle 4 is provided in the center of the housing 2 of the fuse switch-disconnector 1.
  • the switch handle 4 is preferably attached to a movable push rod located in the housing 2 of the fuse switch disconnector 1, which pivots the fuse links 5A, 5B, 5C out of the fuse contact pairs associated with the current phases L1, L2, L3.
  • Fig. 2 shows the fuse switch disconnector 1 after actuation of the switch handle 4 in the open switch position.
  • Fig. 2 the swiveled out fuse links 5A, 5B, 5C for the three current phases L1, L2, L3.
  • Fig. 2 the three swiveled out covers 6A, 6B, 6C for the three power inserts 5A, 5B, 5C.
  • the switch handle 4 for single-pole switching of the current phase is attached to the middle cover 6B. How to get out Fig. 2 can see, the swiveled-out fuse links 5A, 5B, 5C are easily accessible to an operator and can be easily exchanged.
  • Fig. 2 shows the fuse switch disconnector 1 after actuation of the switch handle 4 in the open switch position.
  • the multi-pole switchable fuse switch-disconnector 1 shown can be mounted transversely on busbars that run essentially horizontally. After assembly, the various fuse links 5A, 5B, 5C provided for the busbars are arranged in a row below one another within the housing 2 of the assembled fuse switch-disconnector 1. How to get in Fig. 1, 2 can recognize, a vertically running heat dissipation channel 3 is provided on one or preferably on both side walls of the housing 2 of the fuse switch disconnector 1 mounted on the busbars, through which the heat dissipation generated by the fuse links 5A, 5B, 5C in a vertical direction upwards towards a upper end face 2A of the housing 2 escapes.
  • two heat dissipation channels 3-1, 3-2 are provided as trough-shaped depressions on the two side walls of the housing 2 of the fuse switch disconnector 1. If, in this case, several fuse switch disconnectors 1 are mounted next to one another on the busbars, the trough-shaped recess of the heat dissipation channel 3 together with the trough-shaped recess of the heat dissipation channel 3 'of the immediately adjacent fuse switch disconnection bar 1' together form a closed channel through which the heat loss can escape upwards.
  • the housing 2 has slots or openings 12 on a lower end face 2B so that the heat dissipation channel 3 forms a chimney, so to speak, through which the heated air passes upwards through pull-out openings 36-1, 36-2 on the upper end face 2A can escape, as in Fig. 5 recognizable.
  • the housing 2 has laterally for the various fuse links 5A, 5B, 5C each heat dissipation slots 7A, 7B, 7C, through which heat or thermal energy can escape from the interior of the housing 2 in the heat dissipation channel 3, which from there is transported upwards through vent openings on the front side 2A.
  • the heat dissipation channel 3 is supplied with cool air via the openings provided on the lower end face 2B, which air inevitably transports the safety heat escaping laterally upwards.
  • the fuse links 5A, 5B, 5C can be NH fuses or UL fuses.
  • the busbars are arranged at a rail spacing of 185 mm.
  • the busbars can have a busbar width of up to 120 mm.
  • the fuse switch disconnector 1 can be pulled under load, whereby the manually operated switch handle 4, as in FIG Fig. 2 shown, is preferably pivoted downwards.
  • the switching linkage located in the housing 2 is actuated by this pivoting movement, the fuse links 5A, 5B, 5C being pivoted out of a contact of the associated fuse contact pair to separate the associated current phase L1, L2, L3.
  • the shift linkage opens the covers 6A, 6B, 6C so that the pivoted-out fuse links 5A, 5B, 5C, as in FIG Fig. 2 displayed, visible and exchangeable.
  • switching gases in particular ionized air, with contact material particles, in particular copper particles, are produced.
  • the switching gases can be generated at high pressure.
  • the switching gases with the metallic particles contained therein can be electrically conductive.
  • the switching gases produced are diverted in a switching gas discharge channel 8A, 8B, 8C provided on the side of the housing 2 of the fuse switch disconnector 1 and separated from the heat dissipation channel 3, as in FIG Figures 1, 2 shown.
  • a separate switching gas discharge channel 8A, 8B, 8C for discharging the switching gases is provided for each fuse link or each fuse contact pair.
  • each switching gas discharge channel 8A, 8B, 8C can have outlet channels or outlet slots, through which the explosively arising switching gases exit from the interior of the housing 2 into the switching gas discharge channel 8A, 8B, 8C.
  • these outlet openings can have angled fins which deflect the gas that is formed in an explosive manner, the gas being released being braked. In this way, for example, a distance to grounded components can be reduced.
  • the outlet channels for the switching gases make it possible to dispense with quenching plates or the like in one possible embodiment.
  • Fig. 3 shows a view of a fuse switch disconnector 1 obliquely from below.
  • the fuse switch disconnector 1 is located in Fig. 3 in the closed position.
  • the cable lugs 10 are shielded by a cover 11.
  • Fig. 4 shows a further view of a fuse switch disconnector 1 obliquely from above, with an upper part of the housing 2 being separated with the switch handle 4 so that the fuse links located within the housing 2 are visible when they are not pivoted out.
  • the fuse links 5A, 5B, 5C are, for example, NH fuses, which are intended for rated currents of up to 630 amperes.
  • a pair of fuse contacts is provided to accommodate a fuse link or fuse 5A, 5B, 5C.
  • the heat or thermal energy generated by the fuse links 5A, 5B, 5C is released laterally through the slots 7A, 7B, 7C to the heat dissipation channel 3.
  • the fuse links 5A, 5B, 5C can be swiveled out by operating the switch handle 4 to disconnect the respective current phase L1, L2, L3.
  • the switching gases produced during switching are released to the switching exhaust gas ducts 8A, 8B, 8C.
  • the Power loss heat of the fuse links 5A, 5B, 5C kept low, whereby it is ensured in any case that the temperature limit values according to the standard are not exceeded.
  • Fig. 5 shows a further view of an embodiment of the fuse switch disconnector 1 according to the invention, with a in comparison to Fig. 4 another part, namely the upper part of the bar, has been removed.
  • the heat dissipation channel 3 with the heat dissipation slots 7A, 7B, 7C provided on the side of the fuse inserts 5A, 5B, 5C.
  • the heat dissipation slots 7A, 7B, 7C are located in the immediate vicinity of the fuse links 5A, 5B, 5C and enclose them in order to dissipate as much thermal energy as possible into the heat dissipation channel 3.
  • On the lower end face 2B of the housing 2 are in Fig.
  • the fuse link 5A, 5B, 5C preferably has two associated switch contact blades 13, 14, as in FIG Fig. 5 shown. Each fuse link 5A, 5B, 5C has an upper switch contact blade 13A, 13B, 13C and a lower switch contact blade 14A, 14B, 14C. In the non-pivoted state, the switch contact blades 13A, 13B, 13C, 14A, 14B, 14C are inserted into an associated fuse contact.
  • a fuse contact pair 27A, 28A, 27B, 28B, 27C, 28C with two fuse contacts is provided, the two fuse contacts in the closed switching position of the fuse switch-disconnector 1 with the switch contact blades 13A, 13B, 13C, 14A, 14B, 14C are in contact.
  • FIG. 6 shows a further view of an embodiment of the fuse switch disconnector 1 according to the invention, wherein the fuse links 5A, 5B, 5C have been removed.
  • Each fuse contact pair of a fuse link 5A, 5B, 5C has two fuse contacts which are covered by a symmetrical contact protection hood 15A, 15B, 15C.
  • Each contact protection hood 15A, 15B, 15C has two hood heads 16A, 17A, 16B, 17B, 16C, 17C.
  • the protective covers 15A, 15B, 15C do not need to be removed from the lower part of the bar. The complete lower part of the bar is rotated if the connection direction has to be changed.
  • the upper part of the bar is placed unchanged on the lower part of the bar and locked so that the operating direction is retained, as in the Figures 11a, 11b, 11c shown.
  • the hood heads 16A, 16B, 16, 17A, 17B, 17C on the contact protection hoods 15A, 15B, 15C have heat outlet openings 18A, 18B, 18C and 19A, 19B, 19C and switching gas outlet openings 20A, 20B, 20C, 21A, 21B, 21C, as in FIG Fig. 6 shown.
  • the upper hood heads 16A, 16B, 16C and lower hood heads 17A, 17B, 17C each have slots for enclosing the fuse contacts into which the in Fig.
  • switching contact blades 13A, 13B, 13C, 14A, 14B, 14C are insertable.
  • Fig. 6 one can see the contact slots 22A, 22B, 22C present in the upper hood heads 16A, 16B, 16C and the contact slots 23A, 23B, 23C present in the lower hood heads 17A, 17B, 17C.
  • the switching gases produced during switching are discharged through the switching gas outlet slots 20A, 20B, 20C into the switching gas discharge channels 8A, 8B, 8C.
  • the heated air released through the heat dissipation slots 18A, 18B, 18C, 19A, 19B, 19C reaches the two laterally provided heat dissipation channels 3.
  • the contact lug 26 can be provided either for the current phase L1 or for the current phase L3 depending on the positioning of the fuse switch disconnector 1.
  • Fig. 7 shows a further view of a possible embodiment of the fuse switch-disconnector 1 according to the invention, the lower part of the bar being shown.
  • Contact pairs 27A, 28A, 27B, 28B, 27C, 28C for inserting the fuse links 5A, 5B, 5C.
  • a fuse contact of the fuse contact pair 27A, 28A, 27B, 28, 27C, 28C is connected to a connection bracket or a contact lug 24, 25, 26 via a fuse contact bracket and an outgoing rail.
  • Fig. 8 made clear.
  • the fuse contact 27B located at the top in the assembled state of the fuse switch disconnector 1 touches an associated busbar via an access rail 39B in the assembled state.
  • the upper fuse contact 27B forms an access contact for the fuse contact pair 27B, 28B of the second current phase L2.
  • Opposite the access contact 27B is an outgoing contact 28B, which is connected via an outgoing rail 29B to a connection bracket or to the lug 25 provided for the current phase L2.
  • the outgoing rail 29B can, as in Fig. 8 shown, be connected to the connecting bracket 25 with two parallel flat outlet rail parts. In this embodiment, the outgoing rail 29B is designed as two parallel rails.
  • the connection bracket 25 is attached between the two outlet rail parts. In the Fig.
  • the embodiment shown offers the advantage that a riveting without an additional element is sufficient for assembly by means of a clinching process or a punching and bending process.
  • the division of the outgoing rail 29B into two outgoing rail parts permits a surface refinement of the connection angles or connection lugs that can be carried out in a simple manner.
  • the two exit rail parts themselves remain unfinished.
  • the fuse contacts such as the one in Fig. 8 Outgoing contact 28B shown, contact springs 30B, 31B have.
  • the in Fig. 8 illustrated fuse contact bracket 32B is at a first
  • the end of the two parallel outgoing rail parts of the outgoing rail 29B is fastened between the two outgoing rail parts.
  • the connection bracket 25 is located at a second end of the two parallel outgoing rail parts and is also fastened in a simple manner between the two outgoing rail parts.
  • the two parallel outgoing rail parts of the outgoing rail 29B can be inserted into an inner guide channel 33-1 running inside the housing 2 of the fuse switch-disconnector 1 parallel to the two side walls of the housing 2.
  • an inner guide channel 33-1 running inside the housing 2 of the fuse switch-disconnector 1 parallel to the two side walls of the housing 2.
  • the two inner guide channels 33-1, 33-2 in each case at least one further parallel outer guide channel 34-1, 34-2 for receiving electrical lines.
  • the two inner guide channels 33-1, 33-2 and the two outer guide channels 34-1, 34-2 within the housing 2 run essentially vertically in the assembled state of the fuse switch-disconnector 1, so that the heat loss of the output rails 29A, 29B, 29C and the electrical lines are discharged to the outside through openings on the upper end face 2A of the housing 2.
  • Fig. 9 shows a view of the upper end face 2A of the housing 2 of the fuse switch disconnector 1. It can be seen in Fig. 9 Inert gas outlet openings 35-1, 35-2 and outlet openings 36-1, 36-2 for releasing the heated air which escapes from the two heat dissipation channels 3-1, 3-2. Furthermore, one recognizes openings 37-1, 37-2 for the two outer guide channels 34-1, 34-2 and openings 38-1, 38-2 for the two inner guide channels 33-1, 33-2.
  • FIG. 11 shows a view of an embodiment of the fuse switch-disconnector 1 according to the invention from above, with the upper part of the housing 2 removed, as in FIG Fig. 5 shown, and the inserted fuse links 5A, 5B, 5C can be seen.
  • the illustrated outlet rail 29B and the two further outlet rails 29A, 29C can be formed in one piece in one possible embodiment.
  • the outgoing rails 29A, 29B, 29C consist of outgoing rail parts arranged in parallel. The arrangement of the outgoing rail parts running in parallel increases the heat dissipation due to the larger surface area, whereby a cross-section reduction is also achieved in order to save copper material.
  • the contact protection hoods 15A, 15B, 15C have switching gas outlet openings 20A, 20B, 20C, 21A, 21B, 21C which are provided in an upper area of the contact protection hoods 15A, 15B, 15C.
  • this can be locked in the open and / or closed position. The lockability in the open position ensures, e.g. during a maintenance process, that no unintentional restart can take place.
  • the fuse links 5A, 5B, 5C are designed as fuses and generate a relatively high power loss of, for example, more than 60 watts, so that a total of more than 180 watts of heat loss results.
  • the heat dissipation channel 3 is preferably dimensioned in such a way that it safely removes such a high heat dissipation without exceeding the temperature limit values of the corresponding standard.

Landscapes

  • Fuses (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Description

Sicherungslasttrennleisten werden als Stromverteilungskomponenten für die elektrische Energieversorgung innerhalb von Gebäuden, beispielsweise Bürozentren oder Unternehmen, sowie bei Elektrizitätsversorgungsunternehmen eingesetzt. Sicherungslasttrennleisten werden als Stromverteilungskomponenten für Ströme mit hohen Stromamplituden verwendet.Fuse switch disconnectors are used as power distribution components for the electrical energy supply within buildings, for example office centers or companies, as well as in electricity supply companies. Fuse switch disconnectors are used as power distribution components for currents with high current amplitudes.

Die Sicherungslasttrennleisten können auf Stromsammelschienen für verschiedene Stromphasen eines Mehrphasenstromversorgungssystems montiert werden. Dabei verlaufen die Stromsammelschienen meist horizontal und die Sicherungslasttrennleisten werden quer bzw. vertikal auf die Stromsammelschienen montiert. Innerhalb des Gehäuses der Sicherungslasttrennleiste ist für jede zu trennende Stromphase ein Sicherungskontaktpaar zur Aufnahme eines Sicherungseinsatzes vorgesehen. Die Sicherungen bzw. Sicherungseinsätze sind somit nach der Montage auf den Stromsammelschienen in einer Reihe im Wesentlichen senkrecht untereinander angeordnet.The fuse switch disconnectors can be mounted on busbars for different current phases of a multi-phase power supply system. The busbars usually run horizontally and the fuse switch disconnectors are mounted transversely or vertically on the busbars. Within the housing of the fuse switch disconnector, a fuse contact pair for receiving a fuse link is provided for each current phase to be separated. The fuses or fuse inserts are thus arranged in a row essentially perpendicular to one another after they have been mounted on the busbars.

Bei herkömmlichen Sicherungslasttrennleisten besteht ein Nachteil darin, dass eine Verlustleistungswärme, die durch die Sicherungseinsätze bzw. Sicherungen generiert wird, innerhalb des Gehäuses der Sicherungslasttrennleiste nach oben strömt, sodass im oberen Bereich innerhalb des Gehäuses ein Wärmestau entstehen kann, durch welchen die in diesem Bereich befindlichen Sicherungseinsätze unzulässig aufgeheizt werden können. Darüber hinaus kann der Wärmestau im oberen Bereich des Gehäuses der Sicherungslasttrennleiste dazu führen, dass die dort befindlichen Sicherungseinsätze aufgrund der erhöhten Temperatur altern, wodurch ein unkontrolliertes Auslösen der betroffenen Sicherungseinsätze nicht ausgeschlossen werden kann.A disadvantage of conventional fuse switch disconnectors is that heat loss generated by the fuse links or fuses flows upwards within the housing of the fuse switch disconnector, so that a build-up of heat can arise in the upper area within the housing, through which those located in this area can build up Fuse links can be heated inadmissibly. In addition, the heat build-up in the upper area of the housing of the fuse switch disconnector can cause the fuse links located there to age due to the increased temperature, which means that uncontrolled triggering of the fuse links concerned cannot be ruled out.

In der EP 0 926 692 A2 ist ein Sicherungs-Lastschaltgerät offenbart, welches u.a. wenigstens ein Isolierstoffgehäuse, wenigstens einen beweglichen Sicherungshalter für einen Sicherungseinsatz und wenigstens einen mit Kontaktmitteln ausgerüsteten Anschlussraum zur Aufnahme des Sicherungseinsatzes aufweist.In the EP 0 926 692 A2 a fuse switchgear device is disclosed which has, inter alia, at least one insulating material housing, at least one movable fuse holder for a fuse link and at least one connection space equipped with contact means for receiving the fuse link.

Des Weiteren ist in der EP 2 367 192 A1 eine Schaltvorrichtung zum Trennen von drei Stromleitern und einen Neutralleiter aufweist. Ein erstes Schaltgerät dient dem Trennen der drei Stromleiter und ein zweites Schaltgerät mit einem Trennelement dem Trennen des Neutralleiters.Furthermore, in the EP 2 367 192 A1 a switching device for separating three current conductors and a neutral conductor. A first switching device is used to separate the three current conductors and a second switching device with a separating element is used to separate the neutral conductor.

Außerdem ist in der EP 1 045 414 A1 ein Sicherungslastrennhalter in Leistenbauform für NH-Sicherungen offenbart. Der Schalter weist ein Leistenunterteil auf, das u.a. Mittel für die Stromführung und Kontaktabgabe zu den Sicherungen, Mittel zum Befestigen des Schalters auf dem Schienensystem und Mittel zum Klemmen von Anschlussleitungen aufweist.In addition, the EP 1 045 414 A1 a fuse switch disconnector in strip design for NH fuses disclosed. The switch has a lower strip part which has, among other things, means for conducting current and making contact to the fuses, means for fastening the switch on the rail system and means for clamping connection lines.

Es ist daher eine Aufgabe der vorliegenden Erfindung, eine Sicherungslasttrennleiste für Niederspannungs-Hochleistungs-Sicherungen zu schaffen, bei welchen ein Wärmestau innerhalb des Gehäuses zuverlässig verhindert wird.It is therefore an object of the present invention to create a fuse switch disconnector for low-voltage, high-performance fuses, in which heat build-up within the housing is reliably prevented.

Diese Aufgabe wird erfindungsgemäß durch eine Sicherungslasttrennleiste mit den in Patentanspruch 1 angegebenen Merkmalen gelöst.According to the invention, this object is achieved by a fuse switch disconnector having the features specified in claim 1.

Die Erfindung schafft demnach eine Sicherungslasttrennleiste für Niederspannungs-Hochleistungs-Sicherungen, wobei innerhalb eines Gehäuses der Sicherungslasttrennleiste für jede zu trennende Stromphase ein Sicherungskontaktpaar zur Aufnahme eines Sicherungseinsatzes vorgesehen ist, wobei sich die Sicherungslasttrennleiste dadurch auszeichnet, dass eine von den Sicherungseinsätzen erzeugte Verlustleistungswärme in mindestens einem seitlich an dem Gehäuse der Sicherungslasttrennleiste vorgesehenen Wärmeableitkanal abgeleitet wird.The invention accordingly creates a fuse switch disconnector for low-voltage high-performance fuses, with a fuse contact pair for receiving a fuse link being provided within a housing of the fuse switch disconnector for each current phase to be separated, the fuse switch disconnector being characterized in that a heat loss generated by the fuse links in at least one laterally provided on the housing of the fuse switch disconnector heat dissipation channel is derived.

Bei der erfindungsgemäßen Sicherungslasttrennleiste werden Schaltgase in einen seitlich an dem Gehäuse der Sicherungslasttrennleiste vorgesehenen und von dem Wärmeableitkanal getrennten Schaltgasableitkanal abgeleitet.In the fuse switch disconnector according to the invention, switching gases are diverted into a switch gas discharge duct which is provided on the side of the housing of the fuse switch disconnector and is separated from the heat dissipation duct.

Bei einerweiteren möglichen Ausführungsform der erfindungsgemäßen Sicherungslasttrennleiste weist jedes Sicherungskontaktpaar zwei Sicherungskontakte auf, die jeweils durch eine Berührungsschutzhaube abgedeckt sind.In a further possible embodiment of the fuse switch-disconnector according to the invention, each fuse contact pair has two fuse contacts, each of which is covered by a protective cover.

Die Berührungsschutzhaube ist vorzugsweise symmetrisch ausgebildet und besitzt zwei Haubenköpfe.The contact protection hood is preferably symmetrical and has two hood heads.

Bei einer möglichen Ausführungsform weisen die beiden Haubenköpfe der Berührungsschutzhaube jeweils Austrittsöffnungen zur Abgabe von Wärme in den Wärmeableitkanal und zur Abgabe von Schaltgasen in den Schaltgasableitkanal auf.In one possible embodiment, the two hood heads of the touch protection hood each have outlet openings for releasing heat into the heat dissipation channel and for releasing switching gases into the switching gas discharge channel.

Bei einer möglichen Ausführungsform der erfindungsgemäßen Sicherungslasttrennleiste ist die Sicherungslasttrennleiste quer auf im Wesentlichen horizontal verlaufende Stromsammelschienen montiert, wobei mehrere für die verschiedenen Stromsammelschienen vorgesehene Sicherungseinsätze innerhalb des Gehäuses der montierten Sicherungslasttrennleiste in einer Reihe untereinander angeordnet sind.In a possible embodiment of the fuse switch-disconnector according to the invention, the fuse switch-disconnector is mounted transversely on essentially horizontally running busbars, with several fuse inserts provided for the various busbars being arranged in a row within the housing of the mounted fuse switch-disconnector.

Bei einerweiteren möglichen Ausführungsform der erfindungsgemäßen Sicherungslasttrennleiste ist an einer der beiden Seitenwänden des Gehäuses des auf die Stromsammelschienen montierten Sicherungslasttrennschalters ein vertikal verlaufender Wärmeableitkanal vorgesehen, durch den die von den Sicherungseinsätzen erzeugte Verlustleistungswärme entweicht.In another possible embodiment of the fuse switch disconnector according to the invention, a vertical heat dissipation channel is provided on one of the two side walls of the housing of the fuse switch disconnector mounted on the busbars, through which the heat dissipation generated by the fuse links escapes.

Bei einerweiteren möglichen Ausführungsform der erfindungsgemäßen Sicherungslasttrennleiste ist an einer oder an beiden Seitenwänden des Gehäuses der auf die Stromsammelschienen montierten Sicherungslasttrennleiste ein vertikal verlaufender Schaltgasableitkanal zur Ableitung eines beim Schalten erzeugten Schaltgases vorgesehen.In a further possible embodiment of the fuse switch-disconnector according to the invention, a vertically running switch gas discharge channel is provided on one or both side walls of the housing of the fuse switch-disconnector mounted on the busbars to divert a switch gas generated when switching.

Bei einerweiteren möglichen Ausführungsform dererfindungsgemäßen Sicherungslasttrennleiste ist ein Sicherungskontakt eines Sicherungskontaktpaares über einen Sicherungskontaktwinkel und zwei parallel verlaufende flache Abgangsschienenteile mit einem Anschlusswinkel verbunden.In a further possible embodiment of the fuse switch-disconnector according to the invention, a Fuse contact of a fuse contact pair connected to a connection bracket via a fuse contact bracket and two parallel flat outgoing rail parts.

Bei einer möglichen Ausführungsform der erfindungsgemäßen Sicherungslasttrennleiste ist der Sicherungskontaktwinkel an einem ersten Ende derbeiden parallel verlaufenden Abgangsschienenteile zwischen den beiden Abgangsschienenteilen befestigt.In a possible embodiment of the fuse switch-disconnector according to the invention, the fuse contact bracket is attached to a first end of the two parallel outgoing rail parts between the two outgoing rail parts.

Bei einer weiteren möglichen Ausführungsform der erfindungsgemäßen Sicherungslasttrennleiste ist der Anschlusswinkel an einem zweiten Ende der beiden parallel verlaufenden Abgangsschienenteile zwischen den beiden Abgangsschienenteilen befestigt.In a further possible embodiment of the fuse switch disconnector according to the invention, the connection bracket is attached to a second end of the two parallel outgoing rail parts between the two outgoing rail parts.

Bei einerweiteren möglichen Ausführungsform der erfindungsgemäßen Sicherungslasttrennleiste sind die parallel verlaufenden Abgangsschienenteile in einem innerhalb des Gehäuses der Sicherungstrennleiste parallel zu den Seitenwänden des Gehäuses verlaufenden inneren Führungskanal eingesetzt.In a further possible embodiment of the fuse switch disconnector according to the invention, the parallel outgoing busbar parts are inserted in an inner guide channel running inside the housing of the fuse disconnector parallel to the side walls of the housing.

Bei einerweiteren möglichen Ausführungsform der erfindungsgemäßen Sicherungslasttrennleiste ist zwischen den Seitenwänden des Gehäuses und dem inneren Führungskanal mindestens ein weiterer parallel verlaufender äußerer Führungskanal zur Aufnahme von elektrischen Leitungen vorgesehen.In a further possible embodiment of the fuse switch-disconnector according to the invention, at least one further, parallel outer guide channel for receiving electrical lines is provided between the side walls of the housing and the inner guide channel.

Bei einerweiteren möglichen Ausführungsform der erfindungsgemäßen Sicherungslasttrennleiste verlaufen die Führungskanäle innerhalb des Gehäuses der auf die Stromsammelschienen montierten Sicherungslasttrennleiste im Wesentlichen vertikal, wobei die Verlustwärme der Abgangsschienen und/oder der elektrischen Leitungen nach oben durch Öffnungen des Gehäuses hindurch nach außen abgeführt wird.In a further possible embodiment of the fuse switch-disconnector according to the invention, the guide channels run essentially vertically within the housing of the fuse switch-disconnector mounted on the busbars, with the heat loss from the output rails and / or the electrical lines being dissipated upwards through openings in the housing.

Bei einer weiteren möglichen Ausführungsform der erfindungsgemäßen Sicherungslasttrennleiste verlaufen der Wärmeableitkanal und der Schaltgasableitkanal jeweils als wannenförmige Vertiefung an den Seitenwänden des Gehäuses der Sicherungslasttrennleiste entlang und bilden zusammen mit einem Wärmeableitkanal und einem Schaltgaskanal einer direkt daneben angeordneten anderen Sicherungslasttrennleiste zwei geschlossene Kanäle zum getrennten Ableiten von Verlustleistungswärme und der Schaltgase.In a further possible embodiment of the fuse switch disconnector according to the invention, the heat dissipation channel and the switching gas discharge channel each run as a trough-shaped recess along the side walls of the housing of the fuse switch disconnector and, together with a heat dissipation channel and a switching gas channel, form two closed channels for the separate dissipation of heat dissipation and a switching gas channel of another fuse switch disconnector arranged directly next to it the switching gases.

Bei einerweiteren möglichen Ausführungsform der erfindungsgemäßen Sicherungslasttrennleiste ist zum Trennen einer Stromphase der entsprechende Sicherungseinsatz aus dem zugehörigen Sicherungskontaktpaar herausschwenkbar.In a further possible embodiment of the fuse switch disconnector according to the invention, the corresponding fuse link can be pivoted out of the associated fuse contact pair in order to separate a current phase.

Bei einer möglichen Ausführungsform der erfindungsgemäßen Sicherungslasttrennleiste sind mehrere Stromphasen gleichzeitig mittels eines mittig angeordneten manuell betätigbaren Schaltgriffs trennbar.In a possible embodiment of the fuse switch disconnector according to the invention, several current phases can be separated simultaneously by means of a centrally arranged, manually operable switch handle.

Bei einer möglichen Ausführungsform der erfindungsgemäßen Sicherungslasttrennleiste ist der manuell betätigbare Schaltgriff an eine im Gehäuse der Sicherungslasttrennleiste befindliche Schubstange angebracht, welche die Sicherungseinsätze aus den zu den Stromphasen zugehörigen Sicherungskontaktpaaren herausschwenkt.In a possible embodiment of the fuse switch disconnector according to the invention, the manually operated switch handle is attached to a push rod located in the housing of the fuse switch disconnector, which swings the fuse links out of the fuse contact pairs associated with the current phases.

Die Erfindung schafft ferner eine Stromverteilungsanordnung mit den in Patentanspruch 17 angegebenen Merkmalen.The invention also provides a power distribution arrangement having the features specified in claim 17.

Die Erfindung schafft demnach eine Stromverteilungsanordnung mit mehreren im Wesentlichen horizontal verlaufenden Stromsammelschienen für verschiedene Stromphasen eines Mehrphasenstromversorgungssystems,
wobei mindestens eine Sicherungslasttrennleiste für Niederspannungs-Hochleistungs-Sicherungen auf die Stromsammelschienen montiert ist,
wobei die Sicherungslasttrennleiste ein Gehäuse besitzt und innerhalb des Gehäuses der Sicherungslasttrennleiste für jede zu trennende Stromphase ein Sicherungskontaktpaar zur Aufnahme eines Sicherungseinsatzes vorgesehen ist,
wobei eine von den Sicherungseinsätzen erzeugte Verlustleistungswärme in mindestens einem seitlich an dem Gehäuse der Sicherungslasttrennleiste vorgesehenen Wärmeableitkanal abgeleitet wird.The invention accordingly creates a power distribution arrangement with a plurality of essentially horizontally running busbars for different power phases of a multiphase power supply system,
at least one fuse switch disconnector for low-voltage, high-performance fuses is mounted on the busbars,
wherein the fuse switch disconnector has a housing and within the housing of the fuse switch disconnector a pair of fuse contacts is provided for each current phase to be separated to accommodate a fuse link,
wherein a heat loss generated by the fuse links is dissipated in at least one heat dissipation channel provided on the side of the housing of the fuse switch disconnector.

Bei einer möglichen Ausführungsform der erfindungsgemäßen Stromverteilungsanordnung ist die Stromverteilungsanordnung für Nennströme von mehr als 600 Ampere ausgelegt.In one possible embodiment of the current distribution arrangement according to the invention, the current distribution arrangement is designed for rated currents of more than 600 amperes.

Bei einer möglichen Ausführungsform der erfindungsgemäßen Stromverteilungsanordnung sind die Stromsammelschienen in einem Schienenabstand von 185 mm angeordnet.In one possible embodiment of the power distribution arrangement according to the invention, the busbars are arranged at a rail spacing of 185 mm.

Bei einer möglichen Ausführungsform der erfindungsgemäßen Stromverteilungsanordnung weisen die Stromsammelschienen jeweils eine Stromschienenbreite von bis zu 120 mm auf.In one possible embodiment of the current distribution arrangement according to the invention, the busbars each have a busbar width of up to 120 mm.

Bei einer möglichen Ausführungsform der erfindungsgemäßen Stromverteilungsanordnung sind die Sicherungen bzw. Sicherungseinsätze NH-Sicherungen.In one possible embodiment of the power distribution arrangement according to the invention, the fuses or fuse links are NH fuses.

Bei einer alternativen Ausführungsform der erfindungsgemäßen Stromverteilungsanordnung sind die Sicherungen bzw. Sicherungseinsätze UL-Sicherungen.In an alternative embodiment of the power distribution arrangement according to the invention, the fuses or fuse links are UL fuses.

Bei einer möglichen Ausführungsform der erfindungsgemäßen Stromverteilungsanordnung ist die Sicherungslasttrennleiste einpolig schaltbar.In one possible embodiment of the power distribution arrangement according to the invention, the fuse switch-disconnector can be switched on one pole.

Bei einer alternativen Ausführungsform der erfindungsgemäßen Stromverteilungsanordnung ist die Sicherungslasttrennleiste mehrpolig schaltbar.In an alternative embodiment of the power distribution arrangement according to the invention, the fuse switch disconnector is multi-pole switchable.

Im Weiteren werden mögliche Ausführungsformen der erfindungsgemäßen Sicherungslasttrennleiste und der erfindungsgemäßen Stromverteilungsanordnung unter Bezugnahme auf die beigefügten Figuren näher erläutert.In the following, possible embodiments of the fuse switch disconnector according to the invention and the power distribution arrangement according to the invention are explained in more detail with reference to the accompanying figures.

Es zeigen:Show it:

Fig. 1Fig. 1
eine mögliche Ausführungsform der erfindungsgemäßen Sicherungslasttrennleiste in geschlossener Schaltstellung;a possible embodiment of the fuse switch disconnector according to the invention in the closed switch position;
Fig. 2Fig. 2
die in Fig. 1 dargestellte manuell betätigbare Sicherungslasttrennleiste in offener Schaltstellung;in the Fig. 1 Manually operated fuse switch-disconnector shown in the open switch position;
Fig. 3Fig. 3
eine Ansicht auf ein Ausführungsbeispiel der erfindungsgemäßen Sicherungslasttrennleiste von seitlich oben;a view of an embodiment of the fuse switch disconnector according to the invention from the side above;
Fig. 4Fig. 4
eine Ansicht auf ein Ausführungsbeispiel der erfindungsgemäßen Sicherungslasttrennleiste in Schnittdarstellung mit einem Schnittverlauf in einer Ebene eines Schaltgasableitkanales;a view of an embodiment of the fuse switch disconnector according to the invention in a sectional view with a section in a plane of a Schaltgasableitkanales;
Fig. 5Fig. 5
eine weitere Ansicht auf ein Ausführungsbeispiel der erfindungsgemäßen Sicherungslasttrennleiste in Schnittdarstellung mit einem Schnittverlauf in einer Ebene eines Wärmeableitkanales;a further view of an embodiment of the fuse switch disconnector according to the invention in a sectional view with a section in a plane of a heat dissipation channel;
Fig. 6Fig. 6
eine weitere Ansicht auf ein Ausführungsbeispiel der erfindungsgemäßen Sicherungslasttrennleiste mit entferntem Oberteil zur Darstellung der in der Sicherungslasttrennleiste enthaltenen Berührungsschutzhauben;a further view of an embodiment of the fuse switch-disconnector according to the invention with the upper part removed to show the contact protection hoods contained in the fuse switch-disconnector;
Fig. 7Fig. 7
eine Ansicht auf ein Ausführungsbeispiel der erfindungsgemäßen Sicherungslasttrennleiste nach Entfernen der Berührungsschutzhauben;a view of an embodiment of the fuse switch disconnector according to the invention after removing the protective covers;
Fig. 8Fig. 8
eine Ansicht auf ein Ausführungsbeispiel der erfindungsgemäßen Sicherungslasttrennleiste zur Darstellung der innerhalb der Sicherungslasttrennleiste enthaltenen Abgangsschienen;a view of an embodiment of the fuse switch disconnector according to the invention to illustrate the outgoing rails contained within the fuse switch disconnector;
Fig. 9Fig. 9
eine Ansicht einer oberen Stirnseite von einem Ausführungsbeispiel der erfindungsgemäßen Sicherungslasttrennleiste;a view of an upper face of an embodiment of the fuse switch disconnector according to the invention;
Fig. 10Fig. 10
eine Ansicht auf ein Ausführungsbeispiel der erfindungsgemäßen Sicherungslasttrennleiste, wie sie in Fig. 4 dargestellt ist;a view of an embodiment of the fuse switch disconnector according to the invention, as shown in Fig. 4 is shown;
Fig. 11a, 11b,Fig. 11a, 11b,
Ansichten zur Erläuterung verschiedenerViews to explain various
11c11c
Montagemöglichkeiten dererfindungsgemäßen Sicherungslasttrennleiste.Mounting options for the fuse switch-disconnector according to the invention.

Fig. 1 zeigt ein Ausführungsbeispiel einer erfindungsgemäßen Sicherungslasttrennleiste 1 für NiederspannungsHochleistungs-Sicherungen. Bei dem in Fig. 1 dargestellten Ausführungsbeispiel ist die Sicherungslasttrennleiste 1 dreipolig und dient zur Aufnahme von drei NiederspannungsHochleistungs-Sicherungen für drei verschiedene Stromphasen. Bei dem in Fig. 1 dargestellten Ausführungsbeispiel ist die Sicherungslasttrennleiste 1 mehrpolig schaltbar, d.h., alle Stromphasen sind gleichzeitig durch Betätigung eines Schaltgriffs trennbar. Bei einer alternativen Ausführungsform der erfindungsgemäßen Sicherungslasttrennleiste 1 ist die Sicherungslasttrennleiste 1 einpolig schaltbar, d.h. jede zu trennende Stromphase L1, L2, L3 ist separat mittels eines zugehörigen Schaltgriffs 4 trennbar. Die Sicherungslasttrennleiste 1 weist ein Gehäuse 2 auf. Das Gehäuse 2 ist vorzugsweise aus mehreren Gehäusekomponenten zusammengesetzt. Innerhalb des Gehäuses 2 der Sicherungslasttrennleiste 1 ist für jede zu trennende Stromphase ein Sicherungskontaktpaar zur Aufnahme eines zugehörigen Sicherungseinsatzes 5A, 5B, 5C vorgesehen. Eine von den Sicherungseinsätzen 5A, 5B, 5C erzeugte Verlustleistungswärme wird dabei in einem seitlich an dem Gehäuse 2 der Sicherungslasttrennleiste 1 vorgesehenen Wärmeableitkanal 3 abgeleitet, wie er in Fig. 1 dargestellt ist. An dem Gehäuse 2 der Sicherungslasttrennleiste 1 ist mittig ein manuell betätigbarer Schaltgriff 4 vorgesehen. Der Schaltgriff 4 ist vorzugsweise an eine im Gehäuse 2 der Sicherungslasttrennleiste 1 befindlichen bewegbaren Schubstange angebracht, welche die Sicherungseinsätze 5A, 5B, 5C aus den zu den Stromphasen L1, L2, L3 zugehörigen Sicherungskontaktpaaren herausschwenkt. Fig. 1 shows an embodiment of a fuse switch disconnector 1 according to the invention for low-voltage high-performance fuses. The in Fig. 1 The illustrated embodiment, the fuse switch disconnector 1 is three-pole and is used to accommodate three low-voltage high-performance fuses for three different current phases. The in Fig. 1 The illustrated embodiment, the fuse switch disconnector 1 is multi-pole switchable, that is, all current phases can be separated simultaneously by operating a switch handle. In an alternative embodiment of the fuse switch-disconnector 1 according to the invention, the fuse switch-disconnector 1 is single-pole switchable, ie each current phase L1, L2, L3 to be separated can be separated separately by means of an associated switch handle 4. The fuse switch disconnector 1 has a housing 2. The housing 2 is preferably composed of several housing components. Within the housing 2 of the fuse switch disconnector 1, a fuse contact pair for receiving an associated fuse link 5A, 5B, 5C is provided for each current phase to be separated. A heat loss generated by the fuse links 5A, 5B, 5C is dissipated in a heat dissipation channel 3 provided on the side of the housing 2 of the fuse switch-disconnector 1, as shown in FIG Fig. 1 is shown. A manually operable switch handle 4 is provided in the center of the housing 2 of the fuse switch-disconnector 1. The switch handle 4 is preferably attached to a movable push rod located in the housing 2 of the fuse switch disconnector 1, which pivots the fuse links 5A, 5B, 5C out of the fuse contact pairs associated with the current phases L1, L2, L3.

Fig. 2 zeigtdie Sicherungslasttrennleiste 1 nach Betätigung des Schaltgriffs 4 in der geöffneten Schaltstellung. Man erkennt in Fig. 2 die herausgeschwenkten Sicherungseinsätze 5A, 5B, 5C für die drei Stromphasen L1, L2, L3. Ferner erkennt man in Fig. 2 die drei herausgeschwenkten Deckel 6A, 6B, 6C für die drei Stromeinsätze 5A, 5B, 5C. Bei dem in Fig. 2 dargestellten Ausführungsbeispiel ist der Schaltgriff 4 zum einpoligen Schalten der Stromphase an dem mittleren Deckel 6B angebracht. Wie man aus Fig. 2 erkennen kann, sind die herausgeschwenkten Sicherungseinsätze 5A, 5B, 5C für eine Bedienperson einfach zugänglich und können mühelos ausgetauscht werden. Die in Fig. 1, 2 dargestellte mehrpolige schaltbare Sicherungslasttrennleiste 1 kann quer auf im Wesentlichen horizontal verlaufende Stromsammelschienen montiert werden. Nach der Montage sind die verschiedenen für die Stromsammelschienen vorgesehenen Sicherungseinsätze 5A, 5B, 5C innerhalb des Gehäuses 2 der montierten Sicherungslasttrennleiste 1 in einer Reihe untereinander angeordnet. Wie man in Fig. 1, 2 erkennen kann, ist an einer oder vorzugsweise an beiden Seitenwänden des Gehäuses 2 der auf die Stromsammelschienen montierten Sicherungslasttrennleiste 1 ein vertikal verlaufender Wärmeableitkanal 3 vorgesehen, durch den die von den Sicherungseinsätzen 5A, 5B, 5C erzeugte Verlustleistungswärme in vertikaler Richtung nach oben in Richtung zu einer oberen Stirnseite 2A des Gehäuses 2 entweicht. Bei einer möglichen Ausführungsform sind zwei Wärmeableitkanäle 3-1, 3-2 als wannenförmige Vertiefungen an den beiden Seitenwänden des Gehäuses 2 der Sicherungslasttrennleiste 1 vorgesehen. Werden in diesem Falle mehrere Sicherungslasttrennleisten 1 nebeneinander auf die Stromsammelschienen montiert, bildet die wannenförmige Vertiefung des Wärmeableitkanals 3 zusammen mit der wannenförmigen Vertiefung des Wärmeableitkanals 3' der unmittelbar angrenzenden Sicherungslasttrennleiste 1' zusammen einen geschlossenen Kanal, durch den die Verlustleistungswärme nach oben entweichen kann. Bei einer bevorzugten Ausführungsform weist das Gehäuse 2 an einer unteren Stirnseite 2B Schlitze bzw. Öffnungen 12 auf, sodass der Wärmeableitkanal 3 gewissermaßen einen Kamin bildet, durch den die erwärmte Luft nach oben durch Auszugsöffnungen 36-1, 36-2 an der oberen Stirnseite 2A entweichen kann, wie in Fig. 5 erkennbar. Fig. 2 shows the fuse switch disconnector 1 after actuation of the switch handle 4 in the open switch position. One recognizes in Fig. 2 the swiveled out fuse links 5A, 5B, 5C for the three current phases L1, L2, L3. Furthermore, one recognizes in Fig. 2 the three swiveled out covers 6A, 6B, 6C for the three power inserts 5A, 5B, 5C. The in Fig. 2 The illustrated embodiment, the switch handle 4 for single-pole switching of the current phase is attached to the middle cover 6B. How to get out Fig. 2 can see, the swiveled-out fuse links 5A, 5B, 5C are easily accessible to an operator and can be easily exchanged. In the Fig. 1, 2 The multi-pole switchable fuse switch-disconnector 1 shown can be mounted transversely on busbars that run essentially horizontally. After assembly, the various fuse links 5A, 5B, 5C provided for the busbars are arranged in a row below one another within the housing 2 of the assembled fuse switch-disconnector 1. How to get in Fig. 1, 2 can recognize, a vertically running heat dissipation channel 3 is provided on one or preferably on both side walls of the housing 2 of the fuse switch disconnector 1 mounted on the busbars, through which the heat dissipation generated by the fuse links 5A, 5B, 5C in a vertical direction upwards towards a upper end face 2A of the housing 2 escapes. With a possible Embodiment, two heat dissipation channels 3-1, 3-2 are provided as trough-shaped depressions on the two side walls of the housing 2 of the fuse switch disconnector 1. If, in this case, several fuse switch disconnectors 1 are mounted next to one another on the busbars, the trough-shaped recess of the heat dissipation channel 3 together with the trough-shaped recess of the heat dissipation channel 3 'of the immediately adjacent fuse switch disconnection bar 1' together form a closed channel through which the heat loss can escape upwards. In a preferred embodiment, the housing 2 has slots or openings 12 on a lower end face 2B so that the heat dissipation channel 3 forms a chimney, so to speak, through which the heated air passes upwards through pull-out openings 36-1, 36-2 on the upper end face 2A can escape, as in Fig. 5 recognizable.

Wie man in den Figuren 1, 2 erkennen kann, weist das Gehäuse 2 seitlich für die verschiedenen Sicherungseinsätze 5A, 5B, 5C jeweils Wärmeableitschlitze 7A, 7B, 7C auf, durch welche hindurch Wärme bzw. thermische Energie aus dem Inneren des Gehäuses 2 in den Wärmeableitkanal 3 entweichen kann, die von dort nach oben durch Abzugsöffnungen an der Stirnseite 2A abtransportiert wird. Bei einer weiteren möglichen Ausführungsform wird dem Wärmeableitkanal 3 über die an der unteren Stirnseite 2B vorgesehenen Öffnungen kühle Luft zugeführt, die die seitlich austretende Sicherungswärme zwangsläufig mit nach oben transportiert. Bei den Sicherungseinsätzen 5A, 5B, 5C kann es sich um NH-Sicherungen oder um UL-Sicherungen handeln. Bei einer möglichen Ausführungsform sind die Stromsammelschienen in einem Schienenabstand von 185 mm angeordnet. Die Stromsammelschienen können bei einer möglichen Ausführungsform eine Stromschienenbreite von bis zu 120 mm aufweisen. Die Sicherungslasttrennleiste 1 kann unter Last gezogen werden, wobei der manuell betätigbare Schaltgriff 4, wie in Fig. 2 dargestellt, vorzugsweise nach unten verschwenkt wird. Durch diese Schwenkbewegung wird das in dem Gehäuse 2 befindliche Schaltgestänge betätigt, wobei die Sicherungseinsätze 5A, 5B, 5C zum Trennen der zugehörigen Stromphase L1, L2, L3 aus einem Kontakt des zugehörigen Sicherungskontaktpaar herausgeschwenkt wird. Gleichzeitig öffnet das Schaltgestänge die Deckel 6A, 6B, 6C, sodass die herausgeschwenkten Sicherungseinsätze 5A, 5B, 5C, wie in Fig. 2 dargestellt, sichtbar werden und ausgetauscht werden können.How to get into the Figures 1, 2 can see, the housing 2 has laterally for the various fuse links 5A, 5B, 5C each heat dissipation slots 7A, 7B, 7C, through which heat or thermal energy can escape from the interior of the housing 2 in the heat dissipation channel 3, which from there is transported upwards through vent openings on the front side 2A. In a further possible embodiment, the heat dissipation channel 3 is supplied with cool air via the openings provided on the lower end face 2B, which air inevitably transports the safety heat escaping laterally upwards. The fuse links 5A, 5B, 5C can be NH fuses or UL fuses. In one possible embodiment, the busbars are arranged at a rail spacing of 185 mm. In one possible embodiment, the busbars can have a busbar width of up to 120 mm. The fuse switch disconnector 1 can be pulled under load, whereby the manually operated switch handle 4, as in FIG Fig. 2 shown, is preferably pivoted downwards. The switching linkage located in the housing 2 is actuated by this pivoting movement, the fuse links 5A, 5B, 5C being pivoted out of a contact of the associated fuse contact pair to separate the associated current phase L1, L2, L3. At the same time, the shift linkage opens the covers 6A, 6B, 6C so that the pivoted-out fuse links 5A, 5B, 5C, as in FIG Fig. 2 displayed, visible and exchangeable.

Beim Schalten der Schaltkontakte bzw. Sicherungskontakte entstehen Schaltgase, insbesondere ionisierte Luft, mit Kontaktmaterialpartikeln, insbesondere Kupferpartikeln. Beim Schalten können die Schaltgase mit einem hohen Druck entstehen. Die Schaltgase mit den darin enthaltenen metallischen Partikeln können elektrisch leitend sein. Bei einer bevorzugten Ausführungsform dererfindungsgemäßen Sicherungslasttrennleiste 1 werden die entstehenden Schaltgase in einem seitlich an dem Gehäuse 2 der Sicherungslasttrennleiste 1 vorgesehenen und von dem Wärmeableitkanal 3 getrennten Schaltgasableitkanal 8A, 8B, 8C abgeleitet, wie in den Figuren 1, 2 dargestellt. Bei dem dargestellten Ausführungsbeispiel ist für jeden Sicherungseinsatz bzw. jedes Sicherungskontaktpaar ein eigener Schaltgasableitkanal 8A, 8B, 8C zum Abführen der Schaltgase vorgesehen. Bei der Sicherungslasttrennleiste 1 besteht eine klare Trennung zum Ableiten der Schaltgase und zum Ableiten der Verlustwärme. Hierdurch kann ein sicheres Schalten auch unterextremen Umgebungsbedingungen gefahrlos durchgeführt werden. Wie man in Fig. 1 und 2 erkennen kann, sind im Innengehäuse 2 der Sicherungslasttrennleiste 1 fürjeden Schaltgasableitkanal 8A, 8B, 8C Schlitze bzw. Öffnungen 9A, 9B, 9C vorgesehen, die den Schaltgasableitkanal 8A, 8B, 8C mit dem Inneren des Gehäuses 2 verbinden. Ferner kann jeder Schaltgasableitkanal 8A, 8B, 8C Auslasskanäle bzw. Auslassschlitze aufweisen, durch welche die explosionsartig entstehenden Schaltgase aus dem Inneren des Gehäuses 2 in den Schaltgasableitkanal 8A, 8B, 8C austreten. Diese Auslassöffnungen können in einer bevorzugten Ausführungsform abgewinkelte Finnen aufweisen, die das explosionsartig entstehende Gas umlenken, wobei das ausgelassene Gas abgebremst wird. Hierdurch kann beispielsweise ein Abstand zu geerdeten Bauteilen verringert werden. Durch die Auslasskanäle für die Schaltgase kann bei einer möglichen Ausführungsform auf Löschbleche oder dergleichen verzichtet werden.When the switching contacts or fuse contacts are switched, switching gases, in particular ionized air, with contact material particles, in particular copper particles, are produced. When switching, the switching gases can be generated at high pressure. The switching gases with the metallic particles contained therein can be electrically conductive. In a preferred embodiment of the fuse switch disconnector 1 according to the invention, the switching gases produced are diverted in a switching gas discharge channel 8A, 8B, 8C provided on the side of the housing 2 of the fuse switch disconnector 1 and separated from the heat dissipation channel 3, as in FIG Figures 1, 2 shown. In the exemplary embodiment shown, a separate switching gas discharge channel 8A, 8B, 8C for discharging the switching gases is provided for each fuse link or each fuse contact pair. With the fuse switch disconnector 1 there is a clear separation between the discharge of the switching gases and the discharge of the heat loss. As a result, safe switching can also be carried out safely under extreme environmental conditions. How to get in Figs. 1 and 2 can see, slots or openings 9A, 9B, 9C are provided in the inner housing 2 of the fuse switch disconnector 1 for each switching gas discharge channel 8A, 8B, 8C, which connect the switching gas discharge channel 8A, 8B, 8C to the interior of the housing 2. Furthermore, each switching gas discharge channel 8A, 8B, 8C can have outlet channels or outlet slots, through which the explosively arising switching gases exit from the interior of the housing 2 into the switching gas discharge channel 8A, 8B, 8C. In a preferred embodiment, these outlet openings can have angled fins which deflect the gas that is formed in an explosive manner, the gas being released being braked. In this way, for example, a distance to grounded components can be reduced. The outlet channels for the switching gases make it possible to dispense with quenching plates or the like in one possible embodiment.

Fig. 3 zeigt eine Ansicht auf eine Sicherungslasttrennleiste 1 von schräg unten. Die Sicherungslasttrennleiste 1 befindet sich in Fig. 3 in der geschlossenen Stellung. Man erkennt in Fig. 3 seitlich an dem Gehäuse 2 einen Wärmeableitkanal 3 und davon getrennte Schaltgasableitkanäle 8A, 8B, 8C. An der unteren Stirnseite 2B des Gehäuses 2 befinden sich Kabelschuhe 10 für elektrische Abgangsleitungen. Die Kabelschuhe 10 sind durch eine Verblendung 11 abgeschirmt. Fig. 3 shows a view of a fuse switch disconnector 1 obliquely from below. The fuse switch disconnector 1 is located in Fig. 3 in the closed position. One recognizes in Fig. 3 laterally on the housing 2 a heat dissipation channel 3 and switching gas discharge channels 8A, 8B, 8C separated therefrom. On the lower end face 2B of the housing 2 there are cable lugs 10 for electrical outgoing lines. The cable lugs 10 are shielded by a cover 11.

Fig. 4 zeigt eine weitere Ansicht auf eine Sicherungslasttrennleiste 1 von schräg oben, wobei ein oberer Teil des Gehäuses 2 mit dem Schaltgriff 4 abgetrennt ist, sodass die innerhalb des Gehäuses 2 befindlichen Sicherungseinsätze im nicht herausgeschwenkten Zustand sichtbar werden. Man erkennt in Fig. 3 die Sicherungseinsätze 5A, 5B, 5C für drei verschiedene Stromphasen L1, L2, L3. Die Sicherungseinsätze 5A, 5B, 5C sind beispielsweise NH-Sicherungen, die für Nennströme bis 630 Ampere vorgesehen sind. Für jede zu trennende Stromphase ist ein Sicherungskontaktpaar zur Aufnahme eines Sicherungseinsatzes bzw. einer Sicherung 5A, 5B, 5C vorgesehen. Die von den Sicherungseinsätzen 5A, 5B, 5C generierte Wärme bzw. thermische Energie wird seitlich durch die Schlitze 7A, 7B, 7C an den Wärmeableitkanal 3 abgegeben. Die Sicherungseinsätze 5A, 5B, 5C sind durch Betätigung des Schaltgriffes 4 zum Trennen der jeweiligen Stromphase L1, L2, L3 herausschwenkbar. Die beim Schalten entstehenden Schaltgase werden an die Schaltabgasleitkanäle 8A, 8B, 8C abgegeben. Durch den Wärmeableitkanal 3 wird die Verlustleistungswärme der Sicherungseinsätze 5A, 5B, 5C niedriggehalten, wobei in jedem Fall sichergestellt ist, dass die Temperaturgrenzwerte gemäß der Norm nicht überschritten werden. Fig. 4 shows a further view of a fuse switch disconnector 1 obliquely from above, with an upper part of the housing 2 being separated with the switch handle 4 so that the fuse links located within the housing 2 are visible when they are not pivoted out. One recognizes in Fig. 3 the fuse links 5A, 5B, 5C for three different current phases L1, L2, L3. The fuse links 5A, 5B, 5C are, for example, NH fuses, which are intended for rated currents of up to 630 amperes. For each current phase to be separated, a pair of fuse contacts is provided to accommodate a fuse link or fuse 5A, 5B, 5C. The heat or thermal energy generated by the fuse links 5A, 5B, 5C is released laterally through the slots 7A, 7B, 7C to the heat dissipation channel 3. The fuse links 5A, 5B, 5C can be swiveled out by operating the switch handle 4 to disconnect the respective current phase L1, L2, L3. The switching gases produced during switching are released to the switching exhaust gas ducts 8A, 8B, 8C. Through the heat dissipation channel 3, the Power loss heat of the fuse links 5A, 5B, 5C kept low, whereby it is ensured in any case that the temperature limit values according to the standard are not exceeded.

Fig. 5 zeigt eine weitere Ansicht auf ein Ausführungsbeispiel der erfindungsgemäßen Sicherungslasttrennleiste 1, wobei ein im Vergleich zu Fig. 4 ein weiteres Teil, nämlich das Leistenoberteil, abgenommen ist. Man erkennt in Fig. 5 den Wärmeableitkanal 3 mit den seitlich an den Sicherungseinsätzen 5A, 5B, 5C vorgesehenen Wärmeableitschlitzen 7A, 7B, 7C. Die Wärmeableitschlitze 7A, 7B, 7C befinden sich in unmittelbarer Nähe der Sicherungseinsätze 5A, 5B, 5C und umfassen diese, um möglichst viel thermische Energie in den Wärmeableitkanal 3 abzuführen. An der unteren Stirnseite 2B des Gehäuses 2 sind in Fig. 5 Schlitze 12 vorgesehen, über welche kühlende Luft in den zugehörigen Wärmeableitkanal 3 einströmen kann, sodass ein Kamineffekt entsteht. Der Sicherungseinsatz 5A, 5B, 5C weist vorzugsweise zwei zugehörige Schaltkontaktmesser 13, 14 auf, wie in Fig. 5 dargestellt. Jeder Sicherungseinsatz 5A, 5B, 5C weist ein oberes Schaltkontaktmesser 13A, 13B, 13C und ein unteres Schaltkontaktmesser 14A, 14B, 14C auf. In unverschwenktem Zustand sind die Schaltkontaktmesser 13A, 13B, 13C, 14A, 14B, 14C in einen zugehörigen Sicherungskontakt eingeführt. Für jeden Sicherungseinsatz 5A, 5B, 5C ist ein Sicherungskontaktpaar 27A, 28A, 27B, 28B, 27C, 28C mit zwei Sicherungskontakten vorgesehen, wobei die beiden Sicherungskontakte in geschlossener Schaltstellung der Sicherungslasttrennleiste 1 mit den Schaltkontaktmessern 13A, 13B, 13C, 14A, 14B, 14C in Berührung stehen. Fig. 5 shows a further view of an embodiment of the fuse switch disconnector 1 according to the invention, with a in comparison to Fig. 4 another part, namely the upper part of the bar, has been removed. One recognizes in Fig. 5 the heat dissipation channel 3 with the heat dissipation slots 7A, 7B, 7C provided on the side of the fuse inserts 5A, 5B, 5C. The heat dissipation slots 7A, 7B, 7C are located in the immediate vicinity of the fuse links 5A, 5B, 5C and enclose them in order to dissipate as much thermal energy as possible into the heat dissipation channel 3. On the lower end face 2B of the housing 2 are in Fig. 5 Slits 12 are provided, through which cooling air can flow into the associated heat dissipation channel 3, so that a chimney effect is created. The fuse link 5A, 5B, 5C preferably has two associated switch contact blades 13, 14, as in FIG Fig. 5 shown. Each fuse link 5A, 5B, 5C has an upper switch contact blade 13A, 13B, 13C and a lower switch contact blade 14A, 14B, 14C. In the non-pivoted state, the switch contact blades 13A, 13B, 13C, 14A, 14B, 14C are inserted into an associated fuse contact. For each fuse link 5A, 5B, 5C, a fuse contact pair 27A, 28A, 27B, 28B, 27C, 28C with two fuse contacts is provided, the two fuse contacts in the closed switching position of the fuse switch-disconnector 1 with the switch contact blades 13A, 13B, 13C, 14A, 14B, 14C are in contact.

Fig. 6 zeigt eine weitere Ansicht auf ein Ausführungsbeispiel der erfindungsgemäßen Sicherungslasttrennleiste 1, wobei die Sicherungseinsätze 5A, 5B, 5C entnommen sind. Jedes Sicherungskontaktpaar eines Sicherungseinsatzes 5A, 5B, 5C besitzt zwei Sicherungskontakte, die durch eine symmetrische Berührungsschutzhaube 15A, 15B, 15C abgedeckt sind. Jede Berührungsschutzhaube 15A, 15B, 15C besitzt zwei Haubenköpfe 16A, 17A, 16B, 17B, 16C, 17C. Die Berührungsschutzhauben 15A, 15B, 15C brauchen vom Leistenunterteil nicht abgenommen werden. Das komplette Leistenunterteil wird gedreht, wenn die Anschlussrichtung verändert werden muss. Das Leistenoberteil wird unverändert wieder auf das Leistenunterteil aufgesetzt und verriegelt, damit die Bedienrichtung erhalten bleibt, wie in den Figuren 11a, 11b, 11c dargestellt. Die Haubenköpfe 16A, 16B, 16, 17A, 17B, 17C an den Berührungsschutzhauben 15A, 15B, 15C besitzen Wärmeaustrittsöffnungen 18A, 18B, 18C bzw. 19A 19B, 19C sowie Schaltgasaustrittsöffnungen 20A, 20B, 20C, 21A, 21B, 21C, wie in Fig. 6 dargestellt. Die oberen Haubenköpfe 16A, 16B, 16C und unteren Haubenköpfe 17A, 17B, 17C besitzen jeweils Schlitze zum Umfassen der Sicherungskontakte, in welche die in Fig. 5 dargestellten Schaltkontaktmesser 13A, 13B, 13C, 14A, 14B, 14C einführbar sind. In Fig. 6 erkennt man die in den oberen Haubenköpfen 16A, 16B, 16C vorhandenen Kontaktschlitze 22A, 22B, 22C und die in den unteren Haubenköpfen 17A, 17B, 17C vorhandenen Kontaktschlitze 23A, 23B, 23C. Die beim Schalten entstehenden Schaltgase werden durch die Schaltgasaustrittsschlitze 20A, 20B, 20C in die Schaltgasabführkanäle 8A, 8B, 8C abgeführt. Die durch die Wärmeableitschlitze 18A, 18B, 18C, 19A, 19B, 19C abgegebene erwärmte Luft gelangt in die beiden seitlich vorgesehenen Wärmeableitkanäle 3. In Fig. 6 erkennt man drei Kontaktfahnen 24, 25, 26 für drei separate Stromphasen L1, L2, L3. Die Anordnung der Kontaktfahnen 24, 25, 26 erlaubt es, die erfindungsgemäße Sicherungslasttrennleiste 1 zu drehen. Wie man in Fig. 6 erkennen kann, kann beispielweise die Kontaktfahne 26 je nach Positionierung der Sicherungslasttrennleiste 1 entweder für die Stromphase L1 oder für die Stromphase L3 vorgesehen sein. Fig. 6 shows a further view of an embodiment of the fuse switch disconnector 1 according to the invention, wherein the fuse links 5A, 5B, 5C have been removed. Each fuse contact pair of a fuse link 5A, 5B, 5C has two fuse contacts which are covered by a symmetrical contact protection hood 15A, 15B, 15C. Each contact protection hood 15A, 15B, 15C has two hood heads 16A, 17A, 16B, 17B, 16C, 17C. The protective covers 15A, 15B, 15C do not need to be removed from the lower part of the bar. The complete lower part of the bar is rotated if the connection direction has to be changed. The upper part of the bar is placed unchanged on the lower part of the bar and locked so that the operating direction is retained, as in the Figures 11a, 11b, 11c shown. The hood heads 16A, 16B, 16, 17A, 17B, 17C on the contact protection hoods 15A, 15B, 15C have heat outlet openings 18A, 18B, 18C and 19A, 19B, 19C and switching gas outlet openings 20A, 20B, 20C, 21A, 21B, 21C, as in FIG Fig. 6 shown. The upper hood heads 16A, 16B, 16C and lower hood heads 17A, 17B, 17C each have slots for enclosing the fuse contacts into which the in Fig. 5 illustrated switching contact blades 13A, 13B, 13C, 14A, 14B, 14C are insertable. In Fig. 6 one can see the contact slots 22A, 22B, 22C present in the upper hood heads 16A, 16B, 16C and the contact slots 23A, 23B, 23C present in the lower hood heads 17A, 17B, 17C. The switching gases produced during switching are discharged through the switching gas outlet slots 20A, 20B, 20C into the switching gas discharge channels 8A, 8B, 8C. The heated air released through the heat dissipation slots 18A, 18B, 18C, 19A, 19B, 19C reaches the two laterally provided heat dissipation channels 3. In Fig. 6 one can see three contact lugs 24, 25, 26 for three separate current phases L1, L2, L3. The arrangement of the contact lugs 24, 25, 26 allows the fuse switch-disconnector 1 according to the invention to be rotated. How to get in Fig. 6 can recognize, for example, the contact lug 26 can be provided either for the current phase L1 or for the current phase L3 depending on the positioning of the fuse switch disconnector 1.

Fig. 7 zeigt eine weitere Ansicht auf eine mögliche Ausführungsform der erfindungsgemäßen Sicherungslasttrennleiste 1, wobei das Leistenunterteil dargestellt ist. Man erkennt in Fig. 7 Kontaktpaare 27A, 28A, 27B, 28B, 27C, 28C zum Einsetzen der Sicherungseinsätze 5A, 5B, 5C. Ein Sicherungskontakt des Sicherungskontaktpaares 27A, 28A, 27B, 28, 27C, 28C ist über einen Sicherungskontaktwinkel und eine Abgangsschiene mit einem Anschlusswinkel bzw. einer Kontaktfahne 24, 25, 26 verbunden. Dies wird in Fig. 8 verdeutlicht. Man erkennt in Fig. 8 die beiden Sicherungskontakte 27B, 28B, die für den mittleren Sicherungseinsatz 5B für die Stromphase L2 vorgesehen ist. Der im montierten Zustand der Sicherungslasttrennleiste 1 oben gelegene Sicherungskontakt 27B berührt über eine Zugangsschiene 39B im montierten Zustand eine zugehörige Stromsammelschiene. Der obere Sicherungskontakt 27B bildet einen Zugangskontakt für das Sicherungskontaktpaar 27B, 28B der zweiten Stromphase L2. Dem Zugangskontakt 27B liegt ein Abgangskontakt 28B gegenüber, der über eine Abgangsschiene 29B mit einem Anschlusswinkel bzw. mit der für die Stromphase L2 vorgesehene Fahne 25 verbunden ist. Die Abgangsschiene 29B kann, wie in Fig. 8 dargestellt, mit zwei parallel verlaufende flache Abgangsschienenteile mit dem Anschlusswinkel 25 verbunden sein. Bei dieser Ausführungsform wird die Abgangsschiene 29B als zwei Parallelschienen ausgeführt. Der Anschlusswinkel 25 ist zwischen den beiden Abgangsschienenteilen befestigt. Die in Fig. 8 dargestellte Ausführungsform bietet den Vorteil, dass mittels eines Clinchverfahrens bzw. Stanzbiegeverfahrens eine Nietung ohne Zusatzelement zur Montage ausreicht. Die Zweiteilung der Abgangsschiene 29B in zwei Abgangsschienenteile erlaubt eine einfach durchführbare Oberflächenveredelung der Anschlusswinkel bzw. Anschlussfahnen. Die beiden Abgangsschienenteile selbst bleiben unveredelt. Wie man in Fig. 8 ferner erkennen kann, können die Sicherungskontakte, wie beispielsweise der in Fig. 8 dargestellte Abgangskontakt 28B, Kontaktfedern 30B, 31B besitzen. Der in Fig. 8 dargestellte Sicherungskontaktwinkel 32B ist an einem ersten Ende der beiden parallel verlaufenden Abgangsschienenteile der Abgangsschiene 29B zwischen den beiden Abgangsschienenteilen befestigt. Der Anschlusswinkel 25 befindet sich an einem zweiten Ende der beiden parallel verlaufenden Abgangsschienenteile und ist in einfacher Weise ebenfalls zwischen den beiden Abgangsschienenteilen befestigt. Fig. 7 shows a further view of a possible embodiment of the fuse switch-disconnector 1 according to the invention, the lower part of the bar being shown. One recognizes in Fig. 7 Contact pairs 27A, 28A, 27B, 28B, 27C, 28C for inserting the fuse links 5A, 5B, 5C. A fuse contact of the fuse contact pair 27A, 28A, 27B, 28, 27C, 28C is connected to a connection bracket or a contact lug 24, 25, 26 via a fuse contact bracket and an outgoing rail. This is done in Fig. 8 made clear. One recognizes in Fig. 8 the two fuse contacts 27B, 28B, which is provided for the middle fuse link 5B for the current phase L2. The fuse contact 27B located at the top in the assembled state of the fuse switch disconnector 1 touches an associated busbar via an access rail 39B in the assembled state. The upper fuse contact 27B forms an access contact for the fuse contact pair 27B, 28B of the second current phase L2. Opposite the access contact 27B is an outgoing contact 28B, which is connected via an outgoing rail 29B to a connection bracket or to the lug 25 provided for the current phase L2. The outgoing rail 29B can, as in Fig. 8 shown, be connected to the connecting bracket 25 with two parallel flat outlet rail parts. In this embodiment, the outgoing rail 29B is designed as two parallel rails. The connection bracket 25 is attached between the two outlet rail parts. In the Fig. 8 The embodiment shown offers the advantage that a riveting without an additional element is sufficient for assembly by means of a clinching process or a punching and bending process. The division of the outgoing rail 29B into two outgoing rail parts permits a surface refinement of the connection angles or connection lugs that can be carried out in a simple manner. The two exit rail parts themselves remain unfinished. How to get in Fig. 8 can also recognize, the fuse contacts, such as the one in Fig. 8 Outgoing contact 28B shown, contact springs 30B, 31B have. The in Fig. 8 illustrated fuse contact bracket 32B is at a first The end of the two parallel outgoing rail parts of the outgoing rail 29B is fastened between the two outgoing rail parts. The connection bracket 25 is located at a second end of the two parallel outgoing rail parts and is also fastened in a simple manner between the two outgoing rail parts.

Wie in Fig. 8 dargestellt, sind die beiden parallel verlaufenden Abgangsschienenteile der Abgangsschiene 29B in einen innerhalb des Gehäuses 2 der Sicherungslasttrennleiste 1 parallel zu den beiden Seitenwänden des Gehäuses 2 verlaufenden inneren Führungskanal33-1 einsetzbar. Wie man in Fig. 8 ebenfalls erkennen kann, befindet sich zwischen den beiden Seitenwänden des Gehäuses 2 und beiden inneren Führungskanälen 33-1, 33-2 jeweils mindestens ein weiterer parallel verlaufenderäußerer Führungskanal 34-1, 34-2 zur Aufnahme von elektrischen Leitungen. Die beiden inneren Führungskanäle 33-1, 33-2 und die beiden äußeren Führungskanäle 34-1, 34-2 innerhalb des Gehäuses 2 verlaufen in montiertem Zustand der Sicherungslasttrennleiste 1 im Wesentlichen vertikal, sodass die Verlustleistungswärme der Abgangsschienen 29A, 29B, 29C und der elektrischen Leitungen oben durch Öffnungen an der oberen Stirnseite 2A des Gehäuses 2 hindurch nach außen abgeführt wird.As in Fig. 8 shown, the two parallel outgoing rail parts of the outgoing rail 29B can be inserted into an inner guide channel 33-1 running inside the housing 2 of the fuse switch-disconnector 1 parallel to the two side walls of the housing 2. How to get in Fig. 8 can also be seen, is located between the two side walls of the housing 2 and the two inner guide channels 33-1, 33-2 in each case at least one further parallel outer guide channel 34-1, 34-2 for receiving electrical lines. The two inner guide channels 33-1, 33-2 and the two outer guide channels 34-1, 34-2 within the housing 2 run essentially vertically in the assembled state of the fuse switch-disconnector 1, so that the heat loss of the output rails 29A, 29B, 29C and the electrical lines are discharged to the outside through openings on the upper end face 2A of the housing 2.

Fig. 9 zeigt eine Ansicht auf die obere Stirnseite 2A des Gehäuses 2 der Sicherungslasttrennleiste 1. Man erkennt in Fig. 9 Schutzgasauslassöffnungen 35-1, 35-2 sowie Austrittsöffnungen 36-1, 36-2 zur Abgabe der erwärmten Luft, welche aus den beiden Wärmeableitkanälen 3-1, 3-2 entweicht. Weiterhin erkennt man Öffnungen 37-1, 37-2 für die beiden äußeren Führungskanäle 34-1, 34-2 und Öffnungen 38-1, 38-2 für die beiden inneren Führungskanäle 33-1, 33-2. Fig. 9 shows a view of the upper end face 2A of the housing 2 of the fuse switch disconnector 1. It can be seen in Fig. 9 Inert gas outlet openings 35-1, 35-2 and outlet openings 36-1, 36-2 for releasing the heated air which escapes from the two heat dissipation channels 3-1, 3-2. Furthermore, one recognizes openings 37-1, 37-2 for the two outer guide channels 34-1, 34-2 and openings 38-1, 38-2 for the two inner guide channels 33-1, 33-2.

Fig. 10 zeigt eine Ansicht einer Ausführungsform der erfindungsgemäßen Sicherungslasttrennleiste 1 von oben, wobei der obere Teil des Gehäuses 2 entfernt ist, wie in Fig. 5 dargestellt, und die eingesetzten Sicherungseinsätze 5A, 5B, 5C zu erkennen sind. Die in Fig. 8 dargestellte Abgangsschiene 29B und die beiden weiteren Abgangsschienen 29A, 29C können bei einer möglichen Ausführungsform einteilig ausgebildet sein. Bei einer bevorzugten Ausführungsform bestehen die Abgangsschienen 29A, 29B, 29C aus parallel angeordneten Abgangsschienenteilen. Durch die Anordnung der parallel verlaufenden Abgangsschienenteile wird die Wärmeableitung aufgrund der größeren Oberfläche erhöht, wobei zusätzlich eine Querschnittsreduzierung erreicht wird, um Kupfermaterial einzusparen. Fig. 10 FIG. 11 shows a view of an embodiment of the fuse switch-disconnector 1 according to the invention from above, with the upper part of the housing 2 removed, as in FIG Fig. 5 shown, and the inserted fuse links 5A, 5B, 5C can be seen. In the Fig. 8 The illustrated outlet rail 29B and the two further outlet rails 29A, 29C can be formed in one piece in one possible embodiment. In a preferred embodiment, the outgoing rails 29A, 29B, 29C consist of outgoing rail parts arranged in parallel. The arrangement of the outgoing rail parts running in parallel increases the heat dissipation due to the larger surface area, whereby a cross-section reduction is also achieved in order to save copper material.

Durch die in Fig. 6 dargestellten symmetrischen Berührungsschutzhauben 15 wird die Verlustwärme der Sicherungseinsätze 5A, 5B, 5C in einem unteren Bereich seitlich durch die Berührungsschutzhauben 15A, 15B, 15C hindurch in den Wärmeableitkanal 3 abgeleitet. Daher kann die Verlustwärme auch in einer Verbundanordnung, bei der beispielsweise mehrere Sicherungslasttrennleisten 1 übereinander auf Stromsammelschienen montiert sind, ungehindert nach oben strömen und beeinträchtigt nicht zusätzlich die darüberliegenden Sicherungseinsätze.The in Fig. 6 The symmetrical contact protection hoods 15 shown here, the heat loss from the fuse links 5A, 5B, 5C is diverted in a lower area laterally through the contact protection hoods 15A, 15B, 15C into the heat dissipation channel 3. Therefore, even in a composite arrangement in which, for example, several fuse switch disconnectors 1 are mounted one above the other on busbars, the heat loss can flow upwards unhindered and does not additionally impair the fuse links above.

Ebenso wie die Verlustwärme werden auch die Schaltgase in einen darüberliegenden nach unten abgeschotteten Kanal geleitet und nach oben abgeführt. Die Berührungsschutzhauben 15A, 15B, 15C weisen dafür speziell vorgesehene Schaltgasaustrittsöffnungen 20A, 20B, 20C, 21A, 21B, 21C auf, die in einem oberen Bereich der Berührungsschutzhauben 15A, 15B, 15C vorhanden sind. Bei einer möglichen Ausführungsform der erfindungsgemäßen Sicherungslasttrennleiste 1 kann diese in geöffneter und/oder in geschlossener Stellung abgeschlossen werden. Die Abschließbarkeit in geöffneter Stellung gewährleistet z.B. während eines Wartungsvorganges, dass kein ungewolltes Wiedereinschalten erfolgen kann. Bei einer möglichen Ausführungsform sind die Sicherungseinsätze 5A, 5B, 5C als Schmelzsicherungen ausgebildet und erzeugen eine relativ hohe Verlustleistung von beispielsweise mehr als 60 Watt, sodass insgesamt mehr als 180 Watt Verlustleistungswärme entsteht. Der Wärmeableitkanal 3 ist vorzugsweise derart dimensioniert, dass er eine derartige hohe Wärmeverlustleistung sicher abtransportiert, ohne die Temperaturgrenzwerte der entsprechenden Norm zu überschreiten. Just like the heat loss, the switching gases are also conducted into an overlying duct sealed off from below and discharged upwards. The contact protection hoods 15A, 15B, 15C have switching gas outlet openings 20A, 20B, 20C, 21A, 21B, 21C which are provided in an upper area of the contact protection hoods 15A, 15B, 15C. In one possible embodiment of the fuse switch disconnector 1 according to the invention, this can be locked in the open and / or closed position. The lockability in the open position ensures, e.g. during a maintenance process, that no unintentional restart can take place. In one possible embodiment, the fuse links 5A, 5B, 5C are designed as fuses and generate a relatively high power loss of, for example, more than 60 watts, so that a total of more than 180 watts of heat loss results. The heat dissipation channel 3 is preferably dimensioned in such a way that it safely removes such a high heat dissipation without exceeding the temperature limit values of the corresponding standard.

Claims (20)

  1. Load-disconnecting circuit breaker assembly (1) for low voltage-high power circuit breakers,
    wherein a circuit breaker contact pair is provided within a housing (2) of the load-disconnecting circuit breaker assembly (1) for each current phase that is to be disconnected, said circuit breaker contact pair being provided for receiving a circuit breaker (5A, 5B, 5C), characterized in that
    power loss heat that is generated by the circuit breakers (5A, 5B, 5C) is dissipated laterally through heat dissipating slots (7A, 7B, 7C) into at least one heat dissipating duct (3) that is provided on the side of the housing (2) of the load-disconnecting circuit breaker assembly (1), said power loss heat being transported through discharge apertures on the front end face (2A) of the housing (2),
    wherein switching gases are dissipated into at least one switching gas dissipating duct (8A, 8B, 8C) that is provided on the side of the housing (2) of the load-disconnecting circuit breaker assembly (1) and is separate from the heat dissipating duct.
  2. Load-disconnecting circuit breaker assembly according to Claim 1, wherein each circuit breaker contact pair comprises two circuit breaker contacts that are covered in each case by means of a symmetrical touch guard cap (15A, 15B, 15C) having two cap heads (16A, 16B, 16C; 17A, 17B, 17C).
  3. Load-disconnecting circuit breaker assembly according to Claim 2, wherein the cap heads (16A, 16B, 16C; 17A, 17B, 17C) of the touch guard caps (15A, 15B, 15C) comprise heat discharging apertures (18A, 18B, 18C, 19A, 19B, 19C) and switching gas apertures (20A, 20B, 20C, 21A, 21B, 21C) that are separate from said heat discharging apertures.
  4. Load-disconnecting circuit breaker assembly according to any one of the preceding claims 1 to 3,
    wherein the load-disconnecting circuit breaker assembly (1) is assembled in a transverse manner on essentially horizontally-extending current collecting rails and multiple circuit breakers (5A, 5B, 5C) that are provided for the various current collecting rails are arranged in a row one below the other within the housing (2) of the load-disconnecting circuit breaker assembly (1) that is assembled.
  5. Load-disconnecting circuit breaker assembly according to Claim 4,
    wherein at least one vertically-extending heat discharging duct (3) is provided on one side wall or both side walls of the housing (2) of the load-disconnecting circuit breaker assembly (1) that is assembled on the current collecting rails and power loss heat that is generated by the circuit breakers (5A, 5B, 5C) escapes by way of said heat discharging duct.
  6. Load-disconnecting circuit breaker assembly according to Claim 4 or 5,
    wherein at least one vertically-extending switching gas dissipating duct (8A, 8B, 8C) for dissipating a switching gas that is produced during the switching procedure is provided on one side or both side walls of the housing (2) of the load-disconnecting circuit breaker assembly (1) that is assembled on the current collecting rails (1) .
  7. Load-disconnecting circuit breaker assembly according to any one of the preceding claims 1 to 6,
    wherein a circuit breaker contact of a circuit breaker contact pair (27A, 27B, 27C, 28A, 28B, 28C) is connected to an associated connecting angle bracket (24, 25, 26) by way of a circuit breaker contact angle bracket (32A, 32B, 32C) and two parallel-extending flat output rail parts of an output rail (29A, 29B, 29C).
  8. Load-disconnecting circuit breaker assembly according to Claim 7, wherein the safety contact angle bracket (32A, 32B, 32C) is fastened to a first end of the two parallel-extending output rail parts between the two output rail parts of the associated output rails (29A, 29B, 29C).
  9. Load-disconnecting circuit breaker assembly according to Claim 7 or 8, wherein the connecting angle bracket (24, 25, 26) is fastened to a second end of the two parallel-extending output rail parts between the two output rail parts of the associated output rails (29A, 29B, 29C).
  10. Load-disconnecting circuit breaker assembly according to any one of the preceding claims 1 to 9,
    wherein the parallel-extending output rail parts of the output rails (29A, 29B, 29C) are inserted in each case in an inner guiding duct (33) that extends within a housing base part (2C) of the housing (2) of the load-disconnecting circuit breaker assembly (1) parallel to the side walls of the housing (2).
  11. Load-disconnecting circuit breaker assembly according to any one of the claims 1 to 10,
    wherein at least one further parallel-extending outer guiding duct (34) for receiving electrical lines is provided between the side walls of the housing (2) and the inner guiding duct (33).
  12. Load-disconnecting circuit breaker assembly according to Claim 10 and 11, wherein the guiding ducts (33, 34) extend essentially vertically within the housing (2) of the load-disconnecting circuit breaker assembly (1) that is assembled on the current collecting rails,
    wherein the lost heat of the output rails (29A, 29B, 29C) and/or of the electrical lines is dissipated outwards in an upwards direction through apertures of the housing (2) .
  13. Load-disconnecting circuit breaker assembly according to any one of the preceding claims 1 to 12,
    wherein the heat dissipating duct (3) and the switching gas dissipating duct (8A, 8B, 8C) extend in each case as a trough-shaped depression along the side walls of the housing (2) of the load-disconnecting circuit breaker assembly (1) and together with a heat dissipating duct and a switching gas duct of another load-disconnecting circuit breaker assembly that is arranged directly adjacent thereto forms two closed ducts for separately dissipating power loss heat and the switching gases.
  14. Load-disconnecting circuit breaker assembly according to any one of the preceding claims 1 to 13,
    wherein the corresponding circuit breaker (5A, 5B, 5C) can be pivoted out the associated circuit breaker contact pair so as to disconnect a current phase (L1, L2, L3).
  15. Load-disconnecting circuit breaker assembly according to any one of the preceding claims 1 to 14,
    wherein multiple current phases (L1, L2, L3) can be disconnected simultaneously by means of a switching grip (4) that can be manually actuated and is arranged centrally, wherein the switching grip (4) is attached to a thrust rod that is located in the housing (2) of the load-disconnecting circuit breaker assembly (1) and said thrust rod opens the cover (6A, 6B, 6C) for the circuit breaker inserts (5A, 5B, 5C), wherein the circuit breaker inserts (5A, 5B, 5C) are pivoted out of the circuit breaker contact pairs (27A, 28A; 27B, 28B; 27C, 28C) that are associated with the current phases (L1, L2, L3).
  16. Current distributing arrangement having multiple essentially horizontally-extending current collecting rails for various current phases (L1, L2, L3) of a multiphase current supply system,
    wherein at least one load-disconnecting circuit breaker assembly (1) for low voltage-high power circuit breakers (5A, 5b, 5C) is assembled as claimed in any one of the preceding claims 1 to 15 on the current collecting rails.
  17. Current distributing arrangement according to Claim 16,
    wherein the current distributing arrangement is designed for nominal currents of more than 600 Amperes.
  18. Current distributing arrangement according to any one of the preceding claims 16 to 17,
    wherein the current collecting rails are arranged in a rail spacing of 185 mm and in each case comprise a current rail width of up to 120 mm.
  19. Current distributing arrangement according to any one of the preceding claims 16 to 18,
    wherein the circuit breakers (5A, 5B, 5C) are NH-circuit breakers or UL-circuit breakers.
  20. Current distributing arrangement according to any one of the preceding claims 16 to 19,
    wherein the load-disconnecting circuit breaker assembly (1) can be switched in a single-pole or multi-pole manner.
EP14156859.2A 2014-02-26 2014-02-26 Safety circuit breaker strip for low-voltage high-power fuses Active EP2913835B3 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP14156859.2A EP2913835B3 (en) 2014-02-26 2014-02-26 Safety circuit breaker strip for low-voltage high-power fuses
SI201430153A SI2913835T1 (en) 2014-02-26 2014-02-26 Safety circuit breaker strip for low-voltage high-power fuses
DK14156859.2T DK2913835T3 (en) 2014-02-26 2014-02-26 Circuit breaker separator for low voltage high power fuses
PL14156859T PL2913835T6 (en) 2014-02-26 2014-02-26 Safety circuit breaker strip for low-voltage high-power fuses
CN201510087850.4A CN104868366B (en) 2014-02-26 2015-02-25 Fuse load break switch for low-voltage high-power fuse
US14/631,034 US9721745B2 (en) 2014-02-26 2015-02-25 Fuse load-break switch for low-voltage high-power fuses
BR102015004257-4A BR102015004257B1 (en) 2014-02-26 2015-02-26 FUSE BREAKER FOR LOW VOLTAGE AND HIGH POWER FUSES AND CURRENT DISTRIBUTION ARRANGEMENT

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14156859.2A EP2913835B3 (en) 2014-02-26 2014-02-26 Safety circuit breaker strip for low-voltage high-power fuses

Publications (3)

Publication Number Publication Date
EP2913835A1 EP2913835A1 (en) 2015-09-02
EP2913835B1 EP2913835B1 (en) 2016-12-07
EP2913835B3 true EP2913835B3 (en) 2021-05-19

Family

ID=50156682

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14156859.2A Active EP2913835B3 (en) 2014-02-26 2014-02-26 Safety circuit breaker strip for low-voltage high-power fuses

Country Status (7)

Country Link
US (1) US9721745B2 (en)
EP (1) EP2913835B3 (en)
CN (1) CN104868366B (en)
BR (1) BR102015004257B1 (en)
DK (1) DK2913835T3 (en)
PL (1) PL2913835T6 (en)
SI (1) SI2913835T1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL3540752T3 (en) * 2018-03-15 2022-09-26 Wöhner GmbH & Co. KG Elektrotechnische Systeme Nh-fuse load break switch
EP4102530A1 (en) 2021-06-07 2022-12-14 Jean Müller GmbH Elektrotechnische Fabrik Switching strip with a plurality of safety caps mounted in the switching strip which can be pivoted together

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE611040C (en) * 1931-06-02 1935-03-21 Fritz Driescher Switching device for cable distribution system with manually disconnectable, in their longitudinal direction arranged vertically one above the other, lever-like articulated on a base plate, belonging to a circuit fuses
AT403226B (en) * 1996-01-18 1997-12-29 Schneider Schaltgeraetebau Und LOAD SWITCHING BAR
EP0926692B1 (en) * 1996-02-28 2001-08-08 Wermelinger AG Fuse-switch and/or fuse-disconnector
GB9825900D0 (en) * 1998-11-27 1999-01-20 Schneider Ltd Fuse handler
JP2000223001A (en) * 1999-01-27 2000-08-11 Yazaki Corp Power supply breaking device
DE19917403A1 (en) * 1999-04-16 2000-10-19 Mueller Jean Ohg Elektrotech Fuse switch-disconnector in strip design for NH fuses
US6650222B2 (en) * 2000-12-07 2003-11-18 Cooper Technologies Company Modular fuseholder
EP1302957B1 (en) * 2001-10-11 2014-01-22 Weber Ag Low-voltage high-power contact arrangement
US7561018B2 (en) * 2006-02-09 2009-07-14 Wöhner GmbH & Co. KG Fuse strip with lateral outgoing contacts and a lateral adapter module
DE102006022374B4 (en) * 2006-05-12 2014-07-03 Wöhner GmbH & Co. KG Elektrotechnische Systeme switchgear
DE102007043133B3 (en) * 2007-09-11 2009-04-09 Wöhner GmbH & Co. KG Elektrotechnische Systeme Switch disconnectors
EP2112675B1 (en) * 2008-04-01 2014-11-12 Wöhner GmbH & Co. KG Elektrotechnische Systeme Fuse switch disconnector
US8098126B2 (en) * 2009-04-22 2012-01-17 Lg Chem, Ltd. High voltage service disconnect assembly
EP2367192B1 (en) * 2010-03-16 2014-05-14 Jean Müller GmbH Elektrotechnische Fabrik Switching device for separating three electricity conductors and a neutral conductor
DE102010028685B4 (en) * 2010-05-06 2015-07-23 Wöhner GmbH & Co. KG Elektrotechnische Systeme Device for receiving a cylindrical fuse and switching device
PL2506284T3 (en) * 2011-03-30 2016-12-30 Fuse load disconnecting block
US9136083B2 (en) * 2013-03-15 2015-09-15 Regal Beloit America, Inc. Enclosed bus bar fuse holder

Also Published As

Publication number Publication date
US9721745B2 (en) 2017-08-01
EP2913835A1 (en) 2015-09-02
DK2913835T3 (en) 2017-03-20
PL2913835T6 (en) 2022-05-30
SI2913835T1 (en) 2017-03-31
EP2913835B1 (en) 2016-12-07
BR102015004257A2 (en) 2015-12-22
US20150243467A1 (en) 2015-08-27
CN104868366A (en) 2015-08-26
BR102015004257B1 (en) 2022-07-12
PL2913835T3 (en) 2018-04-30
CN104868366B (en) 2018-04-17

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