EP2434520B1 - Multi-pole electric switching device - Google Patents
Multi-pole electric switching device Download PDFInfo
- Publication number
- EP2434520B1 EP2434520B1 EP11181113.9A EP11181113A EP2434520B1 EP 2434520 B1 EP2434520 B1 EP 2434520B1 EP 11181113 A EP11181113 A EP 11181113A EP 2434520 B1 EP2434520 B1 EP 2434520B1
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- EP
- European Patent Office
- Prior art keywords
- switching
- switching device
- outer housing
- housing
- pole
- 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.)
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- 230000005405 multipole Effects 0.000 title claims description 15
- 238000009434 installation Methods 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 101000581533 Homo sapiens Methylcrotonoyl-CoA carboxylase beta chain, mitochondrial Proteins 0.000 description 1
- 102100027320 Methylcrotonoyl-CoA carboxylase beta chain, mitochondrial Human genes 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
- H01H71/0214—Housing or casing lateral walls containing guiding grooves or special mounting facilities
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
- H01H1/20—Bridging contacts
- H01H1/2041—Rotating bridge
- H01H1/2058—Rotating bridge being assembled in a cassette, which can be placed as a complete unit into a circuit breaker
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
- H01H71/0235—Contacts and the arc extinguishing space inside individual separate cases, which are positioned inside the housing of the circuit breaker
Definitions
- the invention relates to the structural design of a multi-pole electrical switching device.
- Electrical switching devices such as low-voltage circuit breakers in the form of so-called compact switch - known as MCCB's (Molded Case Circuit Breaker) - or in the form of so-called open circuit breaker - known as ACB's (for Air cicuit breaker), serve to interrupt single or multi-phase current paths of a main circuit , The interruption of the current paths takes place by mechanical opening single or double interrupting switching contacts. The switching contacts must be arranged electrically isolated.
- these insulating sheaths consist essentially of a housing base part chambered according to the number of switching poles and an adequate housing upper part, which are usually joined together by screw connections.
- a multi-pole electrical switching device in the form of a multi-pole low-voltage circuit breaker is known in which a plurality of separate switching pole housing are accommodated between side walls of the outer housing in a housing designated as cover.
- each of the switching pole housing forms an insulating sheath of a switching room for receiving a single switching pole of the electrical switching device.
- the switching pole housings which are each formed from two half-shells, insulating channels, which extend with respect to a dividing the half-shells dividing line across the switching pole housing.
- the connection of the separate switching pole housing of the switching poles takes place via clamping and cross-connecting elements which extend through the insulating channels.
- a multi-pole electrical switching device with a surrounding housing in which at least two separate switching pole housings are accommodated which each form an insulating enclosure of a switching space for receiving a single switching pole, in which the at least two separate switching pole housings each have at least one receptacle on walls facing each other, forming a receiving pair, wherein for the mechanical connection of the at least two separate switching pole housing the receiving pair is associated with a connecting means which engages in the two receptacles forming the pair of receptacles (German translation DE 602 11 028 T2 the European Patent EP 1 464 063 B1 ),
- the invention is also based on the object to provide a safe with respect to the forces acting when switching the Wegpolgeophuse connection and thereby avoid complicated assembly operations.
- the adjacent switching pole housing after mounting by the undercuts of the recordings engaging behind Connecting means across the dividing joint firmly connected.
- the joining of the separate switching pole housing takes place in a manner which is easy to handle in terms of assembly technology, in which at the same time components are saved.
- the assembly operations are simplified in that, starting from a front side of the electrical switching device, the mounting takes place parallel to the mutually facing walls of the switching pole housing in a preferred mounting direction.
- the connecting means are integrated by introducing a corresponding contour in a tool used for the production of the Umgeophuses with the production of the Umgephaseuses directly into this enclosure. It therefore eliminates in particular the need to keep separate fastener sets with connecting means of different lengths for different numbers of the switching pole housing to be connected ready, as in the case of the DE 602 11 028 T2 known switch is the case.
- the surrounding housing forms at least one first stop extending transversely to the dividing joint - but preferably additionally also a second stop extending transversely to the dividing joint - for the receiving pair.
- this switching device switching elements in the form of switching contacts 2, 3 and 4, 5 for double interruption of a first current path 6 of a first switching pole 7.
- the current path 6 is part of a first main current path of a power distribution network, in particular a low-voltage network.
- the switching contacts 2, 3 is a first and the switching contacts 4, 5 associated with a second arc extinguishing member, wherein the arc extinguishing members are formed as splitter plate packages 8, 9.
- the electrical switching device 1 has a limited by a first switching pole housing 10 first switching space 11 for receiving the switching contacts 2, 3; 4, 5 of the first switching pole 7.
- Drive links which form a drive mechanism 12 of the electrical switching device, serve to open and close the switching contacts 2, 3; 4, 5.
- the electrical switching device has a shut-off mechanism 13 in the form of a switching mechanism.
- the switching mechanism is arranged as a mechanical intermediate member between the switching and drive members in the course of the drive mechanism 12.
- triggering members are provided, the triggering of the shut-off mechanism 13 - ie a release of a latching of the switching mechanism - cause the drive mechanism 12 to open the switching contacts 2, 3; 4, 5 in motion.
- a thermal release 14 (as an overload detection member), an electromagnetic release 15 (as a short-circuit detection member), and a manual release 16 protruding from a front insulating cover are provided as the trigger members, by means of which the switch lock can be released to open the switch contacts.
- a pressure release (as a short-circuit detection element) or an electronic release (as an overload and / or short-circuit detection element).
- the electrical switching device 1 has parallel to the in the FIG. 1 shown first switching room 11 more switching rooms on. The other switching rooms are each limited by further separate switching pole housing. In the other switching rooms switching contacts further switching poles are arranged.
- the ends of the current path 6 of each of the switching poles 7 are each electrically connected to at least one electrical line 18 of the respective main current path of the power distribution network.
- the separate switching pole housings 10 are arranged between a first part 21 designed as a bottom and a second part 22 of a surrounding housing 20 designed as an intermediate cover.
- the multi-pole electrical switching device 1 designed as a three-pole low-voltage circuit breaker in the form of a compact switch in "cassette construction". So he has three separate switching pole housing 10, which designated as a whole with 25 Connecting devices are interconnected. Each of the three switching pole housing 10 consists of two half-shells 26, 27 and forms an insulating sheath of one of the switching chambers 11 (see. FIG. 1 ), in each of which one of the three switching poles is arranged.
- the separate switching pole housing 10 on its mutually facing walls laterally projecting hook-like projections 28a, 28b, 29a, 29b, 30a, 30b, 31a 31b.
- Two each of the hook-like projections 28a, 28b; 29a, 29b; 30a, 30b and 31a, 31b form a receptacle 28; 29; 30; 31, each forming an undercut with respect to a dividing joint 32 formed between the two facing walls.
- the receptacles 28 and 29 and 30 and 31 adjacent the switching pole housing 10 are opposite each other as receiving pairs.
- each receiving pair is associated with an integrally formed as a contour element in a primary molding process at the bottom of the surrounding housing connecting means 33.
- the connecting means 33 engages behind the undercuts of the receptacles 28 and 29 or 30 and 31 of the associated receiving pair.
- the connecting means 33 in this case have a cross section which is shaped in the manner of a double dovetail. They extend in a pin-like manner in the region of the dividing lines 32 parallel to the dividing joints 32. Accordingly, each of the receptacles each forms a corresponding groove with a dovetail-shaped cross-sectional shape extending parallel to the dividing joints 32.
- the switching pole housing 10 forms the bottom formed first part 21 of the housing for each of the receiving pairs each one transverse to the dividing lines 32 extending first stop 34; 35 (cf. FIGS. 3 to 5 ) and formed as an intermediate cover second part 22 of the surrounding housing forms for each of the receiving pairs each have a transverse to the dividing lines 32 extending second stop 36; 37 (cf. FIG. 2 ).
- the stops are designed such that the receptacles (28, 29, 30, 31) of the receiving pairs with their transverse to the dividing joint end faces after assembly between their associated first (34, 35) and second (36, 37) Stops are held stationary to the housing.
- the connecting means 25 are not made of separate items, but they are integrated into the already existing components of the electrical switching device.
- the assembly of the multi-pole electrical switching device according to the invention can be carried out in a preferred mounting direction. A cross connection through the switching rooms is not required and the associated insulation problems eliminated.
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Description
Die Erfindung betrifft die konstruktive Gestaltung eines mehrpoligen elektrischen Schaltgerätes.The invention relates to the structural design of a multi-pole electrical switching device.
Elektrische Schaltgeräte, beispielsweise Niederspannungs-Leistungsschalter in Form sogenannter Kompaktschalter - bekannt als MCCB's (für Molded Case Circuit Breaker) - oder in Form sogenannter offener Leistungsschalter - bekannt als ACB's (für Air cicuit breaker), dienen zum Unterbrechen ein- oder mehrphasiger Strompfade eines Hauptstromkreises. Das Unterbrechen der Strompfade erfolgt dabei durch mechanisches Öffnen einfach oder doppelt unterbrechender Schaltkontakte. Dabei müssen die Schaltkontakte elektrisch isoliert angeordnet werden.Electrical switching devices, such as low-voltage circuit breakers in the form of so-called compact switch - known as MCCB's (Molded Case Circuit Breaker) - or in the form of so-called open circuit breaker - known as ACB's (for Air cicuit breaker), serve to interrupt single or multi-phase current paths of a main circuit , The interruption of the current paths takes place by mechanical opening single or double interrupting switching contacts. The switching contacts must be arranged electrically isolated.
Diese Isolation muss sowohl gegen das Montageumfeld als auch - bei mehrphasigen elektrischen Schaltgeräten - zwischen den einzelnen Phasen des Hauptstromkreises erfolgen. Um das zu erreichen, werden die Teile des elektrischen Schaltgerätes, die einer solchen Phase des Hauptstromkreises zugeordnet sind und einen Schaltpol bilden, jeweils in einem separaten Schaltraum montiert, der von einer isolierenden Umhüllung begrenzt ist. Diese - insbesondere aus Kunststoff bestehenden - isolierenden Umhüllungen, zu denen auch eine Fülle sich in ihrer äußeren Erscheinungsform unterscheidender starrer Gehäuse-Anordnungen zählen, verhindern zugleich die ungehemmte Ausbreitung der bei Schaltvorgängen entstehenden Gas- und Partikelfreisetzungen.This isolation must be carried out both against the installation environment and - in the case of multiphase electrical switchgear - between the individual phases of the main circuit. To achieve this, the parts of the electrical switching device, which are assigned to such a phase of the main circuit and form a switching pole, each mounted in a separate switch room, which is bounded by an insulating sheath. These - in particular made of plastic - insulating sheaths, which also include a wealth of their outer appearance distinctive rigid housing arrangements, at the same time prevent the unrestrained spread of gas and particle releases resulting from switching operations.
So bestehen diese isolierenden Umhüllungen beispielsweise bei einer bekannten Gehäuse-Anordnungen im Wesentlichen aus einem entsprechend der Anzahl der Schaltpole gekammerten GehäuseUnterteil und einem adäquaten Gehäuse-Oberteil, die in der Regel über Schraubverbindungen zusammengefügt werden.For example, in a known housing arrangement, these insulating sheaths consist essentially of a housing base part chambered according to the number of switching poles and an adequate housing upper part, which are usually joined together by screw connections.
Mit der Anwendung rotatorischer Doppelkontakte (Kontaktbrücken) etablierte sich ein anderes als "Kassettenbauweise" bekanntes Gehäusekonzept, bei dem eine schaltbare, doppelt unterbrechende Kontaktbrücke zusammen mit zwei Lichtbogenlöschkammern und eventuell noch anderen pro Schaltpol benötigten Bauteilen (Slotmotor, etc.) in einem nahezu geschlossenen, meist aus mindestens zwei Halbschalen bestehenden Schaltpolgehäuse (Einzelpolkassetten) angeordnet werden. Diese vorgefertigten Einzelpolkassetten müssen nun zu Schaltgeräten mit jeweils benötigter Polzahl kombiniert werden. Dabei sollen die Modularität und damit beispielsweise auch die Austauschbarkeit einzelner der Schalpole erhalten bleiben.With the use of rotary double contacts (contact bridges) established another known as "cassette construction" housing concept in which a switchable, double interrupting contact bridge together with two arc extinguishing chambers and possibly other required per switching pole components (slot motor, etc.) in a nearly closed, usually consisting of at least two half shells Schaltpolgehäuse (Einzelpolkassetten) are arranged. These prefabricated single-pole cassettes must now be combined to switchgear with each required number of poles. In this case, the modularity and thus, for example, the interchangeability of individual of the switching poles are to be maintained.
Außerdem soll diese Kombination der Schaltpolgehäuse (Einzelpolkassetten) unter Gewährleistung einer maximalen Stabilität erfolgen, denn da zwischen den einzelnen Schaltpolen elektrischer Schaltgeräte bei Schalthandlungen (insbesondere bei Abschaltungen im Grenzleistungsbereich der Schaltgeräte) starke Kräfte infolge der die einzelnen Phasen des Strompfades umgebenden Magnetfelder entstehen, ergibt sich die Notwendigkeit, eine Relativbewegung der Einzelpolkassetten zueinander als Folge der wirkenden Kräfte so weit als möglich einzuschränken.In addition, this combination of Schaltpolgehäuse (Einzelpolkassetten) to ensure maximum stability, because there are strong forces due to the surrounding the individual phases of the current path between the individual switching poles of electrical switching devices in switching operations (especially in shutdowns in the limit power range of the switching devices) arises the need to limit as far as possible a relative movement of the Einzelpolkassetten each other as a result of the forces acting.
Aus der deutschen Übersetzung
Ein baulich anderes elektrisches Schaltgerät ist aus der US-Patentschrift
Ausgehend von einem mehrpoligen elektrischen Schaltgerät mit einem Umgehäuse, in dem zumindest zwei separate Schaltpolgehäuse aufgenommen sind, die jeweils eine isolierende Umhüllung eines Schaltraumes zur Aufnahme eines einzelnen Schaltpoles bilden, bei dem die zumindest zwei separaten Schaltpolgehäuse an einander zugewandten Wänden jeweils zumindest eine Aufnahme aufweisen, die ein Aufnahme-Paar bilden, wobei zur mechanischen Verbindung der zumindest zwei separaten Schaltpolgehäuse dem Aufnahme-Paar ein Verbindungsmittel zugeordnet ist, das in die beiden das Aufnahme-Paar bildenden Aufnahmen eingreift (deutschen Übersetzung
Erfindungsgemäß wird diese Aufgabe durch ein elektrisches Schaltgerät mit den Merkmalen gemäß Patentanspruch 1 gelöst.This object is achieved by an electrical switching device with the features according to claim 1.
Bei dem erfindungsgemäßen mehrpoligen elektrischen Schalter sind also die benachbarten Schaltpolgehäuse nach der Montage durch das die Hinterschnitte der Aufnahmen hintergreifende Verbindungsmittel quer zur Teilungsfuge fest miteinander verbunden.In the multi-pole electrical switch according to the invention, therefore, the adjacent switching pole housing after mounting by the undercuts of the recordings engaging behind Connecting means across the dividing joint firmly connected.
Dabei erfolgt das Zusammenfügen der separaten Schaltpolgehäuse in vorteilhafter montagetechnisch leicht zu handhabender Weise, bei der zugleich Bauteile eingespart werden. Zum Einen sind die Zusammenfügungsoperationen dadurch vereinfacht, dass die Montage ausgehend von einer Frontseite des elektrischen Schaltgerätes parallel zu den einander zugewandten Wänden der Schaltpolgehäuse in bevorzugter Montagerichtung erfolgt. Zum Anderen sind die Verbindungsmittel durch Einbringen einer entsprechenden Kontur in ein zur Herstellung des Umgehäuses verwendetes Werkzeug mit der Herstellung des Umgehäuses direkt in dieses Umgehäuse integriert. Es entfällt hier also insbesondere die Notwendigkeit, separate Verbindungsmittel-Sätze mit Verbindungsmitteln unterschiedlicher Länge für unterschiedliche Anzahlen der zu verbindenden Schaltpolgehäuse bereit zu halten, so wie dies bei dem aus der
In bevorzugter Ausgestaltung ist bei dem erfindungsgemäßen elektrischen Schaltgerät vorgesehen, dass das Umgehäuse zumindest einen quer zu der Teilungsfuge verlaufenden ersten Anschlag - vorzugsweise jedoch zusätzlich auch noch einen quer zu der Teilungsfuge verlaufenden zweiten Anschlag - für das Aufnahme-Paar bildet. Bei einer derartigen Ausgestaltung sind das Aufnahme-Paar und damit die Schaltpolgehäuse, die das Aufnahme-Paar bilden, nämlich nach der Montage des Schaltgerätes in der bevorzugten Montagerichtung zwischen den beiden Anschlägen in dem Umgehäuse fest fixiert.In a preferred embodiment, it is provided in the electrical switching device according to the invention that the surrounding housing forms at least one first stop extending transversely to the dividing joint - but preferably additionally also a second stop extending transversely to the dividing joint - for the receiving pair. In such an embodiment, the receiving pair and thus the switching pole housing, which form the receptacle pair, namely firmly fixed after assembly of the switching device in the preferred mounting direction between the two stops in the surrounding housing.
Ein erfindungsgemäßes mehrpoliges elektrisches Schaltgerät ist in den
-
Figur 1 eine schematische Darstellung des erfindungsgemäßen elektrischen Schaltgerätes im Schnitt durch eines seiner in einem Umgehäuse angeordneten, separaten Schaltpolgehäuse, -
ein erstes Teil des Umgehäuses mit den darin angeordneten separaten Schaltpolgehäusen mit Blick auf Verbindungseinrichtungen, die jeweils benachbarte der Schaltpolgehäuse verbinden,Figur 2 -
Figur 3 eine Seitenansicht eines der separaten Schaltpolgehäuse und -
einen Ausschnitt des inFiguren 4 und 5 gezeigten ersten Teils des Umgehäuses in perspektivischer Darstellung vor und nach dem Einsetzen eines der separaten Schaltpolgehäuse.Figur 2
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FIG. 1 a schematic representation of the electrical switching device according to the invention in section through one of its arranged in a surrounding housing, separate switching pole housing, -
FIG. 2 a first part of the surrounding housing with the separate switching pole housings disposed therein, with a view of connecting devices which respectively connect adjacent ones of the switching pole housings, -
FIG. 3 a side view of the separate Schaltpolgehäuse and -
FIGS. 4 and 5 a section of the inFIG. 2 shown first part of the Umgehäuses in perspective view before and after the insertion of one of the separate Schaltpolgehäuse.
Gemäß dem in der
Gemäß der
Jeweils zwei benachbarte der drei separaten Schaltpolgehäuse 10 sind dabei mittels jeweils zweier der Verbindungseinrichtungen 25 mechanisch verbunden. Hierzu weisen die separaten Schaltpolgehäuse 10 an ihren einander zugewandten Wänden seitlich abragende hakenartige Vorsprünge 28a, 28b, 29a, 29b, 30a, 30b, 31a 31b auf. Jeweils zwei der hakenartigen Vorsprünge 28a, 28b; 29a, 29b; 30a, 30b und 31a, 31b formen eine Aufnahme 28; 29; 30; 31, die in Bezug auf eine Teilungsfuge 32, die zwischen den beiden einander zugewandten Wänden gebildete ist, jeweils einen Hinterschnitt bilden. Die Aufnahmen 28 und 29 bzw. 30 und 31 benachbarter der Schaltpolgehäuse 10 stehen als Aufnahme-Paare einander gegenüber. Zur mechanischen Verbindung der separaten Schaltpolgehäuse 10 ist jedem Aufnahme-Paar jeweils ein als Konturenelement in einem Urformverfahren einstückig an dem Boden des Umgehäuses angeformtes Verbindungsmittel 33 zugeordnet. Das Verbindungsmittel 33 hintergreift die Hinterschnitte der Aufnahmen 28 und 29 bzw. 30 und 31 des zugeordneten Aufnahme-Paares.In each case two adjacent of the three separate
Die Verbindungsmittel 33 weisen dabei einen Querschnitt auf, der nach Art eines doppelten Schwalbenschwanzes geformt ist. Sie erstrecken sich stiftartig im Bereich der Teilungsfugen 32 parallel zu den Teilungsfugen 32. Entsprechend bildet jede der Aufnahmen jeweils eine sich parallel zu den Teilungsfugen 32 erstreckende korrespondierende Nut mit schwalbenschwanzförmiger Querschnittsform.The connecting means 33 in this case have a cross section which is shaped in the manner of a double dovetail. They extend in a pin-like manner in the region of the dividing
Um sicher zu stellen, dass die Schaltpolgehäuse 10 nach der Montage des Schaltgerätes in der bevorzugten Montagerichtung in dem Umgehäuse fest fixiert sind, bildet das als Boden ausgebildete erste Teil 21 des Umgehäuses für jedes der Aufnahme-Paare jeweils einen quer zu den Teilungsfugen 32 verlaufenden ersten Anschlag 34; 35 (vgl.
Bei dem erfindungsgemäßen elektrischen Schaltgerät bestehen die Verbindungseinrichtungen 25 nicht aus separaten Einzelteilen, sondern sie sind in die ohnehin vorhandenen Bestandteile des elektrischen Schaltgerätes integriert. Die Montage des erfindungsgemäßen mehrpoligen elektrischen Schaltgerätes ist in einer in bevorzugter Montagerichtung ausführbar. Eine Querverbindung durch die Schalträume hindurch ist nicht erforderlich und die damit zusammenhängenden Isolationsprobleme entfallen.In the electrical switching device according to the invention, the connecting
Claims (4)
- Multipole electrical switching device (1) with an outer housing (20), in which at least two separate switching pole housings (10) are accommodated, which each form an insulating outer housing of a switching compartment (11) for accommodating an individual switching pole,
in which the at least two separate switching pole housings (10), on walls facing towards each other, each have at least one mounting (28, 29; 30, 31) which form a mounting pair assigned to each other,
whereby, for mechanical connection of the at least two separate switching pole housings, the mounting pair is assigned a connection means (33) which engages into the two mountings (28, 29; 30, 31) forming the mounting pair,
characterised in that
the mountings (28, 29; 30, 31) are formed by two hook-like projections (28a, 28b; 29a, 29b; 30a, 30b; 31a 31b) in each case, each forming an undercut in relation to a dividing joint (32) formed between the two walls facing towards each other in each case,
the connection means (33) engages below the undercuts, and the connection means (33) is moulded in a primary shaping process in one piece onto the outer housing (20). - Multipole electrical switching device (1) according to claim 1,
characterised in that- the connection means (33) have a cross section which is formed in a double dovetail-type manner,- the connection means (33) extend in a pin-like manner in the area of the dividing joint (32) in parallel to the dividing joint (32) and- each of the mountings forms a corresponding groove with a dovetail-shaped cross section extending in parallel to the dividing joint (32) in each case. - Multipole electrical switching device (1) according to claim 1 or 2,
characterised in that
the outer housing (20) forms at least one first stop (34; 35) running transversely to the dividing joint (32) for the mounting pair. - Multipole electrical switching device (1) according to claim 3,
characterised in that
the outer housing (20), in addition to the first stop (34; 35), forms a second stop (36; 37) running transversely to the dividing joint (32) for the mounting pair such that, after the installation of the switching device housing (10) in the outer housing (20), the mounting pair is held in a fixed position in relation to the outer housing (20) between the first (34; 35) and the second (36; 37) stop.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010041467A DE102010041467A1 (en) | 2010-09-27 | 2010-09-27 | Multi-pole electrical switching device |
Publications (2)
Publication Number | Publication Date |
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EP2434520A1 EP2434520A1 (en) | 2012-03-28 |
EP2434520B1 true EP2434520B1 (en) | 2016-01-06 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP11181113.9A Active EP2434520B1 (en) | 2010-09-27 | 2011-09-13 | Multi-pole electric switching device |
Country Status (4)
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US (1) | US8735752B2 (en) |
EP (1) | EP2434520B1 (en) |
CN (1) | CN102568942B (en) |
DE (1) | DE102010041467A1 (en) |
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DE102011087582A1 (en) * | 2011-12-01 | 2013-06-06 | Siemens Aktiengesellschaft | Multi-pole electrical switch e.g. three-pole electrical switch has connector that is pushed into channel extending in parallel to side walls, by positive connection between side walls and connector respectively |
DE102018126227A1 (en) * | 2018-08-29 | 2020-03-05 | Dehn Se + Co Kg | Module housing for accommodating several miniaturized horn spark gaps |
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IT1272456B (en) * | 1993-05-26 | 1997-06-23 | Bticino Spa | COUPLING DEVICE BETWEEN TWO MODULAR ELECTRICAL EQUIPMENT |
US6480082B1 (en) * | 1996-12-25 | 2002-11-12 | Hitachi, Ltd. | Circuit breaker |
US6012027A (en) * | 1997-05-27 | 2000-01-04 | Ameritech Corporation | Criteria for usable repetitions of an utterance during speech reference enrollment |
EP1130683A1 (en) * | 2000-02-29 | 2001-09-05 | GE Power Controls Belgium, besloten vennootschap met beperkte aansprakelijkheid | Power distribution device |
US6429760B1 (en) * | 2000-10-19 | 2002-08-06 | General Electric Company | Cross bar for a conductor in a rotary breaker |
ITMI20012586A1 (en) * | 2001-12-10 | 2003-06-10 | Abb Service Srl | ELECTRIC POLE FOR A LOW VOLTAGE POWER SWITCH, AND RELATED SWITCH |
ATE509361T1 (en) * | 2005-03-08 | 2011-05-15 | Siemens Ag | ELECTROMECHANICAL SWITCHGEAR |
US7646271B2 (en) * | 2007-03-27 | 2010-01-12 | Eaton Corporation | Electrical switching apparatus and interlocking phase barrier therefor |
US7633365B2 (en) * | 2007-06-28 | 2009-12-15 | General Electric Company | Circuit breaker apparatus |
US8049126B2 (en) * | 2008-02-05 | 2011-11-01 | Siemens Industry, Inc. | Self-adjusting plug-in line terminal |
IT1393406B1 (en) * | 2008-10-21 | 2012-04-20 | Bticino Spa | MODULAR ELECTRICAL APPLIANCE INCLUDING A COUPLING DEVICE FOR CONNECTION WITH AN ADDITIONAL MODULAR ELECTRICAL APPLIANCE |
-
2010
- 2010-09-27 DE DE102010041467A patent/DE102010041467A1/en not_active Withdrawn
-
2011
- 2011-09-13 EP EP11181113.9A patent/EP2434520B1/en active Active
- 2011-09-26 US US13/245,070 patent/US8735752B2/en active Active
- 2011-09-27 CN CN201110348782.4A patent/CN102568942B/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN102568942B (en) | 2015-02-25 |
DE102010041467A1 (en) | 2012-03-29 |
US20120073945A1 (en) | 2012-03-29 |
CN102568942A (en) | 2012-07-11 |
EP2434520A1 (en) | 2012-03-28 |
US8735752B2 (en) | 2014-05-27 |
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