CN100356494C - Circuit breaker having double pole interruption - Google Patents
Circuit breaker having double pole interruption Download PDFInfo
- Publication number
- CN100356494C CN100356494C CNB038113619A CN03811361A CN100356494C CN 100356494 C CN100356494 C CN 100356494C CN B038113619 A CNB038113619 A CN B038113619A CN 03811361 A CN03811361 A CN 03811361A CN 100356494 C CN100356494 C CN 100356494C
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- China
- Prior art keywords
- switch lever
- contact
- circuit breaker
- moving
- switch
- 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.)
- Expired - Fee Related
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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
- H01H71/10—Operating or release mechanisms
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
- H01H71/526—Manual reset mechanisms which may be also used for manual release actuated by lever the lever forming a toggle linkage with a second lever, the free end of which is directly and releasably engageable with a contact structure
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- Breakers (AREA)
- Mechanisms For Operating Contacts (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention relates to a circuit breaker having double pole interruption, comprising a first and second contact device, each of which having a stationary contact (26) and a moving contact (23), whereby both moving contacts (23) are mounted on a supporting body (11) in a manner that enables them to pivot about a common pivot axis (24) while each being pretensioned in their closed position by a contact spring (28). The circuit breaker also comprises a switching lever (21), which is pivotally mounted on the supporting body (11) and is pretensioned by the contact springs (28) of the moving contacts (23) in an interrupt position, in which the switching lever (21) holds the moving contacts (23) in their breaking position. The circuit breaker additionally has a switch actuating element (31) that can be coupled to the switching lever (21) via a coupling device (32, 20), whereby the switch actuating element (31) enables the switching lever (21) to pivot out of its interrupt position and into an enable position against the force of the contact springs (28) and to be held in this enable position as long as the switch actuating element (31) is coupled to the switching lever (21). The coupling device has a coupling element (32), which is coupled to the switch actuating element, and a detent (20), which is pivotally mounted on the switching lever (21) and holds the coupling element (32) in contact therewith or releases it depending on the position relative to the switching lever. Finally, the circuit breaker comprises a trip element (16), which acts upon the detent (20) in the event of a fault whereby causing the detent to release the coupling element (32).
Description
Technical field
The present invention relates to have the bipolar circuit breaker that cut-offs part, be used for protection circuit, to prevent fault current, especially thermal overload and short circuit.
Background technology
At least use the circuit breaker that is applicable to alternating current, this circuit breaker one pole ground open circuit usually in Central European country so far.Because this circuit breaker uses in the so-called electrical network that connects center line usually, promptly use in the network system of the neutral earthing of power supply enterprise's side therein, the home electric facility down of therefore nonserviceabling does not need the disconnection of center line.
But in the process of globalization, more and more cannot say for sure to demonstrate,prove the zero line condition, be the prerequisite of all Europe supply side neutral earthing, so that required for reasons of safety to use double-pole switch to come protective circuit in some European countries now.
By DE3915127C1 disclose a kind of have one pole open circuit the part circuit breaker, it has the contact device of deciding a contact and a moving contact with one, it is preloaded on the make position by a touch spring.In order to connect and stopcock is provided with a hand switch, it is connected with a switch lever by a coupling device, and this switch lever is preloaded in it by a switch spring and makes in the position that two contacts separate.The rocking bar that can rotate around the axle identical with switch lever is used to make coupling device to keep cooperating on the function with switch lever, makes this switch manually to open and to close.Overcurrent trip and rocking bar interact, so that nonserviceable operation rocking bar down, so that switch lever discharges, are swung on the position of its minute open contact by switch spring thus.Switch lever must make the power of moving contact opposing touch spring in the case, moves on its position of cut-offfing.
If this circuit breaker is threaded off like this, be two utmost points of a circuit of its disjunction, the doubling and to realize simply of the parts of this known circuit breaker, because the functional part of double-pole cut-out must be installed in the structure space of single-pole circuit breaker so far, the change that makes corresponding switch cubicle or switchgear need not to add thus.In the case, subject matter is overcurrent trip, and it needs maximum position and can not double thus.Therefore its difficulty is, is used for the tripping force that single-pole circuit breaker is threaded off though this overcurrent trip can apply, and does not have to be used for the required double power of double-pole switch.
The overcurrent trip that not only causes the circuit disconnection when short circuit but also when thermal overload is for example open by DE19942694A1 and EP0917173A2.
Summary of the invention
Task of the present invention is, constitute a kind of circuit breaker in this wise with bipolar disjunction part, treat that the right tripping force of contact separately can be applied by single release, makes all functions parts of this circuit breaker can be installed in the structure space of a common single-pole circuit breaker thus so that be used for two.
According to the present invention, one has the bipolar circuit breaker that cut-offs part and has: first and second contact device, wherein each contact device comprises that one is decided contact and a moving contact, and wherein two moving contacts are bearing in swingably on the supporting body and respectively around a common swinging axle and are preloaded on its make position by a touch spring; A switch lever that is bearing in swingably on the supporting body, its touch spring by moving contact is cut-off on the position to one by prestrain, in that it remains on their open position moving contact on this position; A switch operator, it can be coupled by a coupling device and switch lever, so that switch lever can swing to the via positions (Freigabestellung) from the power that it cut-offs position opposing touch spring by switch operator, and this switch lever is remained on this via positions always as long as switch operator and switch lever are coupled; Wherein coupling device comprises a male part and a rocking bar that is bearing in swingably on the switch lever that is hinged on the switch operator, and this rocking bar makes male part and it keep cooperating or discharging this male part on the position of relative switch lever with deciding; And a release, it is nonserviceabled and acts in this wise on the rocking bar down, so that this rocking bar discharges male part.
Task of the present invention solves by the circuit breaker with above-mentioned feature.Favourable configuration of the present invention and further structrual description are documented in the following scheme.
According to the present invention, with the mode that is fit on each contact portion with the single spring while as switch spring, also can satisfy enough contact forces, the requirement of cut-offfing power and tripping force for a double-pole switch device thus.
According to a favourable configuration of the present invention, wherein propose: each is bearing in these touch springs on the switch lever at the other end that reaches with them on the moving contact with an end bearing.
Adapt to desired structure space especially suitably for each parts are accomplished, propose: the relative plane symmetry ground vertical with its swinging axle of switch lever constitutes; Reach moving contact and be arranged in the zone of switch lever axial external surface on this plane relatively with being mutually symmetrical, wherein switch lever is provided with a parallel therewith otch in the zone of its symmetrical plane, and rocking bar is bearing in this otch swingably.
Satisfactory especially further configuration of the present invention is characterised in that: around its swinging mounting be substantially fan-shaped switch lever have one basically arc ground, partly center on the breach of its swinging mounting extension; The swinging mounting that reaches the relative switch lever of swinging axle of moving contact is arranged at a certain distance, so that this swinging axle is arranged in arc notch in the outline of switch lever.
In the outer circumferential area of switch lever, be provided with one and take moving part, down these moving contacts are driven into their open position so that nonserviceable for each moving contact.
Satisfactoryly especially in the case be, these touch springs are bearing on the moving contact in the outer circumferential area of switch lever and with their the other end in this wise with their overhang bracket respectively, so that touch spring lays respectively at described taking between one of moving part and the moving contact swinging axle with their end regions towards moving contact.
Can accomplish thus: contact with deciding contact at moving contact, simultaneously the switch lever power that is fixed on touch spring under the situation on its via positions plays closing force, and whole power also provides as disjunction power simultaneously.
In order to make demonstration for the circuit breaker of opening owing to fault current, in another favourable further configuration of the present invention, propose: on switch lever, be provided with a spring of moving of taking that is used for switch operator, after threading off down so that nonserviceable switch operator is taken on the centre position, wherein taken move spring and touch spring and make integratedly.
In order to keep the fine utilization of present 18mm element width, propose in a particularly preferred configuration of the present invention: release, contact device and affiliated arc control device and switch lever and affiliated rocking bar are set on the common T-shape supporting body, and it is arranged symmetrically relatively.
The whole mechanical part and the electricity part of circuit breaker are realized with traditional element width, and can accomplish that whole system can need not by cap under open mode.
By using the basis of common supporting body, both guaranteed quite big tolerance in addition, the favourable prerequisite of fully-automatic production when independently working method has also guaranteed in enormous quantities the manufacturing as all functions parts.
Description of drawings
Below describe the present invention by accompanying drawing in detail by example.Accompanying drawing is:
Fig. 1: according to the simplification summary end view of a circuit breaker of the present invention, wherein the cap of side is partly removed, so that show inner functional part;
Fig. 2: according to the vertical view of the circuit breaker shown in of the present invention, Fig. 1;
Fig. 3 a to 3c: switch and tripping mechanism are at the locational end view of difference in functionality; And
Fig. 4 a to 4c: be used to illustrate end view switching function, that dissect corresponding to the part of Fig. 3 a to 3c.
Fig. 5 a, 5b, 6a, 6b, 7a, 7b: be used to represent the second embodiment of the present invention.
Parts mutually the same in each figure of accompanying drawing use identical label.
Embodiment
As appreciable in Fig. 1 and 2, supporting body 10 and position functional part thereon are by shelly cap 11,12 sealings on the left side and the right.Here supporting body 10 and two caps 11,12 are connected to each other by the row of rivet of moulding not represent the ground mode in detail.After circuit breaker according to the present invention was installed in a distribution box or the switch cubicle, the appreciable part of its housing only was made up of two caps 11,12 basically.
Circuit breaker according to the present invention is constituted as the binding post 13 with two input sides and the binding post 14 (wherein only respectively expressing) of two outlet sides, and they can be constituted as the spiral binding post or constitute inserting terminal.Especially under the situation of inserting terminal advantageously, outlet side binding post 14 as shown in FIG. 1 can connect from the front, promptly after circuit breaker is fixed on the supporting rail of unshowned distribution box or switch cubicle, can in the visual zone of installation personnel, connect.This binding post 14 that constitutes as inserting terminal is to backward shift for this reason, is used to be connected so that have enough spaces between the cover plate of unshowned distribution box and binding post 14.
Leave a blank in 15 basically relatively of supporting body 10 that supporting body is provided with a release 16 symmetrically, it preferably is configured heat and magnetic dropout be used for nonserviceabling under.Release 16 has a bi-metal plate 17 and a coil 18 that is used for the magnetic dropout that is used for the heat dropout for this reason.As being clear that especially from Fig. 4 a to 4c, a dropout push rod 19 and a rocking bar 20 act synergistically, and this rocking bar is bearing on the switch lever 21 swingably.
As being clear that especially in Fig. 3 a to 4c, switch lever 21 has a fan-shaped basically outline, and it is bearing on the supporting neck 22 that is located on the supporting body 10 swingably and a relative plane symmetry ground that extends perpendicular to its swinging axle constitutes.This swing arm in its Fig. 1 as have on the side shown in the rear side with its front side shown in Fig. 1 on identical parts.Can see among this external Fig. 4 a to 4c, switch lever 21 by expression with dissecing, it has an otch that is located substantially in the plane of symmetry, and rocking bar 20 is maintained in this otch swingably, and the dropout push rod 19 of release 16 can extend in this otch in order to operate rocking bar 20.
On the both sides of switch lever 21, moving contact 23 is being bearing on the supporting body 10 on the rocking pin 24 swingably.Switch lever 21 has the breach 21 ' of an arcuation, and it is set up like this, so that one or more rocking pin 24 is arranged in this breach 21 ', makes the oscillating motion of switch lever not interrupted thus.
These moving contacts 23 are connected with corresponding binding post 13 by twisted wire 25.Moving contact 23 is decided on the contact 26 being positioned on its make position, and in these contacts one is connected with its binding post 14 by coil 18.In Fig. 1, be considered as on rear side one side of supporting body 10 another decide contact directly and affiliated binding post 14 be connected.
For by moving contact 23 and decide the contact device that contact 26 forms and respectively disposed arc control device 27, in these arc control device, only express the left side that is arranged on supporting body 10 or arc control device on right side.
The professional knows, by the described functional part of Fig. 1 with the form of mirror image symmetry (spiegelbildlicher) correspondingly be arranged on supporting body 10 opposite side, be on right side or the rear side.Therefore below functions of components shown in the figure and structure are only described.
A touch spring 28 is simultaneously as cut-offfing spring, and this spring is sold on 29 at one on the excircle that is located at switch lever 21 with the one end bearing, and is bearing on the moving contact 23 with its other end.In order moving contact 23 to be drawn back from its via positions shown in Figure 1 when cut-offfing position-will be in greater detail-motion from deciding contact 26, be provided with the arc stop tab 30 that moving part is taken in a conduct when switch lever 21.Also can have other any suitable shape but this takes moving part, it can realize from switch lever 21 to moving contact 23 reliable power transmission.
In order to make switch lever cut-off the position return movement to its via positions from it by the switch knob 31 as switch operator, a male part 32 is hinged on the switch knob 31 swingably, and this male part is of coupled connections by rocking bar 20 and switch lever 21.
In order to make moving contact move to its make position by the position of cut-offfing shown in Fig. 3 a and the 4a, switch knob 31 moves in the counterclockwise direction in Fig. 3 a and 4a, by the male part 32 that is of coupled connections by rocking bar 20 and switch lever 21 switch lever 21 is deasil moved thus.Because touch spring 28, moving contact 23 is carried motion always, till its contact is being decided on the contact 26.Shown in Fig. 3 b and 4b, when switch lever 21 continues to move to the via positions of its lock-bit, stop tab 30 is thrown off from moving contact 23, its the other end of touch spring 28 usefulness that is bearing on the moving contact 3 with one end thereof is bearing on the supporting body by switch lever 21, male part 32 and switch handgrip 31 thus, provides closing force completely by this supporting body.
Therefore in on-state electric current from terminal 13 by flexible twisted wire 25 to by moving contact 23 with decide contact device that contact 26 forms reach pass through release 16 again coil 18 to terminal 7.Nonserviceable down, the bi-metal plate 18 or the magnetic armature that are arranged in release 16 will respond and make the push rod 19 of Fig. 1 to move downward or move right at Fig. 3 a to 4c.Rocking bar 20 is rotated around it a little in the counterclockwise direction 20 ' rotate, discharge male part 32 thus.Therefore the locking of switch lever 21 in its via positions is released, make touch spring 28 now as cut-offfing spring, this spring is by moving contact 23, its fulcrum post 24 and decide contact 26 and be bearing on the supporting body 10 always, so that pulling-off force is provided, till stop tab 30 bumps against moving contact 23 and makes it and decide contact 26 disconnections.So switch lever 21 reaches thus, and moving contact 23 contacts on the backstop 10a and 10b of supporting body 10 (not shown among Fig. 3 a to 4c) up to switch lever 21 and rocking bar 20 by moving on the position shown in Fig. 3 c and the 4c as the touch spring 28 that cut-offs spring when threading off.
Be bearing on the pin 29 on the switch lever 21 and with a jut 34 synergistic springs 33 of moving of taking on the switch knob 31 switch knob 31 is turned on the centre position, by this position display: this circuit breaker is because fault makes circuit interruption.
Under the situation of short circuit, promptly under the situation of big exciting current, the dropout push rod 19 of release 16 is driven so doughtily by magnetic armature, make not only to carry out as described above and thread off, and by a brace 35-rocking bar 20 be pressed on this brace by dropout push rod 19-be delivered to thrust on the switch lever 21 and be delivered to thus on the moving contact 23.Under short-circuit conditions, produced the acceleration that moving contact 23 adds thus.
In order to connect again, switch knob 31 clockwise directions are rotated, so that male part 32 is moved between rocking bar 20 and the switch lever 21, lock up to it and rocking bar 20, as shown in Fig. 3 a and 4a.Then then can reclose as described above.
By using general parts, for example release and arc control device on the market, and obtain just being used for that series is that make, transportable unit by their layouts on common supporting body 10 and with switch lever, with the combination of rocking bar and terminal.Because the different rated current intensity for circuit breaker only need different solenoids, other parts are then identical, and this brings very big advantage for stock and manufacturing.
The embodied in combination that release 16 combines with the switch lever that rocking bar is housed and other functional part sizable tolerance of independent structures, this structure for working method without any need for adjustment process.
Because the device of the bipolar relative one pole of circuit breaker has same size, be easy to accomplish, when system changes, in existing switch-box or distribution box, replace the automatics of one pole, and need not other change on switch-box or distribution box with double-pole cut-out of the present invention.
Below will be by Fig. 5 a, 5b, 6a, 6b and 7a, 7b describes the second embodiment of the present invention in detail.Here will no longer redescribe for the parts identical with first embodiment.
Cut-off position (seeing Fig. 6 b and 7b) for what make that moving contact 23 on the circuit breaker of the second embodiment of the present invention moves to it, to stop tab 30 conversion ground or additionally be provided with an impact bar 40, it has two and impacts sheet 42 and two guiding side plates 43 and a formation reception space 44 therebetween shown in Fig. 5 a and 5b, be used to receive a guide wall that is formed on the supporting body 10.Centre portion 45 at the impact bar 40 that has the side plate 43 that leads on the one end has a prolongation or lug 46 on its other end, it and centre portion 45 form a shoulder or stage 47.The lug 46 of impact bar 40 is imported in the otch of switch lever 21 as rocking bar 20.
As appreciable from Fig. 6 a and 7a, impact bar 40 is bearing between switch lever 21, supporting body 10 and the moving contact 23 like this, be that it partly centers on fulcrum post 24 extensions of moving contact 23 with the lug 46 of section 45 in the middle of it and prolongation, and impact sheet 42 contacts on a ledge 23 ' of moving contact 23.
The position shown in Fig. 7 b if the dropout push rod 19 of release 16 moves right from the position shown in Fig. 6 a and the 7a, then rocking bar 20 at first swing-as described, male part 32 is discharged in conjunction with first embodiment.Simultaneously, rocking bar 20 impinges upon on the impact bar 40 and makes it mobile like this, i.e. and the motion of impact bar 40-this motion is delivered on these moving contacts 23 by impacting sheet 42-moving contact moved to cut-off the position, as from Fig. 7 b, being clear that especially.In order to guarantee that the impact sheet 42 of impact bar 40 cooperates with these backstops 23 ' maintenances of moving contact 23 when moving contact 23 swing, the guide wall between guiding side plate 43 that is received in impact bar 40 has corresponding spigot surface or cam surface.
After dropout push rod 19 and impact bar 40 import moving contact 23 to open motion, also make switch lever 21 move to it and cut-off the position, wherein in the zone line 45 of impact bar 40, impact bar 40 and guarantees that by impact bar moving contact 23 is in it and cut-offs on the position in a side impact of rocking bar 20 thereon after disconnecting the motion end.
According to a second embodiment of the present invention, be provided with an impact bar 40, the dropout push rod 19 of release 16 acted on the moving contact 23 by it as one of switching mechanism additional dedicated element.Can realize opening fast of moving contact in this way, make under short circuit or analogue, to guarantee in time and reliably turn-offing of circuit breaker.In order side by side to impact two moving contacts, the central plane of impact bar 40 relative circuit breakers constitutes symmetrically.
Claims (10)
1. circuit breaker is provided with:
-one contact device, this contact device comprise that one is decided contact and the moving contact that can swing, and this moving contact is preloaded on its make position by a touch spring,
-one switch operator, it acts on this moving contact (23) by a male part and the rocking bar that can swing (20), and
It is characterized in that following feature:
-this contact device comprises one first contact device and one second contact device, wherein each contact device comprises that one is decided a contact (26) and a moving contact (23), wherein two moving contacts (23) are bearing in swingably on the supporting body and respectively around a common swinging axle (24) and are preloaded on its make position by a touch spring (28)
-one switch lever (21) that is bearing in swingably on this supporting body, it cut-offs on the position by these touch springs (28) prestrain of these moving contacts (23) at one, cut-off at this that it remains on their open position these moving contacts (23) on position
-switch operator (31), it can pass through a coupling device (32,20) be coupled with this switch lever (21), resist the power of described touch spring (28) and swing on the via positions so that this switch lever (21) can cut-off the position from it by described switch operator (31), reach as long as this switch operator (31) is coupled with this switch lever (21) then to make this switch lever remain on this via positions always
Wherein this coupling device comprises that this is hinged on male part (32) on this switch operator and this and is bearing in rocking bar (20) on this switch lever (21) swingably, this rocking bar makes this male part (32) keep cooperating or discharging this male part with this switch lever on the position of relative this switch lever with deciding
-one release (16), it is nonserviceabled and acts in this wise on this rocking bar (20) down, so that this rocking bar (20) discharges this male part (32).
2. according to the circuit breaker of claim 1, it is characterized in that: these touch springs (28) are used an end bearing to go up the other end that reaches with them at described moving contact (23) respectively and are bearing on this switch lever (21).
3. according to the circuit breaker of claim 1 or 2, it is characterized in that: the relative plane symmetry ground vertical with its swinging axle of this switch lever (21) constitutes; And these moving contacts (23) are set in the zone of axial outer surface of this switch lever (21) on this plane relatively with being mutually symmetrical.
4. according to the circuit breaker of claim 3, it is characterized in that: this switch lever (21) has an otch parallel with this symmetrical plane in the zone of its symmetrical plane, this rocking bar (20) is bearing in this otch swingably.
5. according to the circuit breaker of claim 1 or 2, it is characterized in that: have an arc ground, partly lack (21 ') for fan-shaped switch lever (21) around what its swinging mounting extended around its swinging mounting (22); And the swinging axle (24) of described moving contact (23) relatively the swinging mounting (22) of this switch lever (21) arrange at a certain distance so that this swinging axle is arranged in described arc notch (21 ') in the outline of this switch lever (21).
6. according to the circuit breaker of claim 5, it is characterized in that: in the outer circumferential area of this switch lever (21), be provided with one and take moving part (30), down these moving contacts (23) are driven into their open position so that nonserviceable for each moving contact.
7. according to the circuit breaker of claim 6, it is characterized in that: the overhang bracket that these touch springs (28) are used them respectively is bearing on the described moving contact (23) in the outer circumferential area of this switch lever (21) and with their the other end in this wise, so that these touch springs (28) lay respectively between the described swinging axle (24) of taking one of moving part (30) and described moving contact (23) with their end regions towards described moving contact.
8. according to the circuit breaker of claim 1 or 2, it is characterized in that: this switch lever (21) be provided with one be used for this switch operator (31) take the spring of moving (33) this switch operator (31) is taken on the centre position after threading off down so that nonserviceable.
9. circuit breaker according to Claim 8 is characterized in that: this is taken the spring of moving (33) and makes integratedly with a touch spring (28).
10. according to the circuit breaker of claim 1 or 2, it is characterized in that: this release (16), these contact devices (23,26) and under arc control device (27) and this switch lever (21) and under rocking bar (20) be set on the supporting body (10) of common T-shape, and it is arranged symmetrically relatively.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10211905A DE10211905A1 (en) | 2002-03-18 | 2002-03-18 | Miniature circuit breaker with two-pole interruption |
| DE10211905.8 | 2002-03-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1653573A CN1653573A (en) | 2005-08-10 |
| CN100356494C true CN100356494C (en) | 2007-12-19 |
Family
ID=27815731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB038113619A Expired - Fee Related CN100356494C (en) | 2002-03-18 | 2003-03-18 | Circuit breaker having double pole interruption |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP1488438B1 (en) |
| CN (1) | CN100356494C (en) |
| AT (1) | ATE352857T1 (en) |
| AU (1) | AU2003214137B9 (en) |
| DE (2) | DE10211905A1 (en) |
| ES (1) | ES2279099T3 (en) |
| WO (1) | WO2003079389A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SI23333B (en) | 2010-03-08 | 2014-12-31 | Eti Elektroelement D.D. | Safety electric switch |
| WO2016108761A1 (en) | 2014-12-29 | 2016-07-07 | Nela Razvojni Center Za Elektroindustrijo In Elektroniko, D.O.O. | Device for protecting electric circuits against electric overload and indicating each reason for interruption |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4001743A (en) * | 1974-05-14 | 1977-01-04 | Firma Heinrich Kopp, Inhaber Theodor Simoneit | Heavy duty automatic circuit breaker |
| EP0696041A1 (en) * | 1994-08-04 | 1996-02-07 | Legrand | Cut out |
| DE19919420A1 (en) * | 1999-04-28 | 2000-11-02 | Siemens Ag | Circuit breaker, for example circuit breaker |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4116454A1 (en) * | 1991-05-18 | 1992-11-19 | Licentia Gmbh | MECHANISM FOR A SELF-SWITCH |
| DE4424125C1 (en) * | 1994-07-08 | 1995-07-13 | Flohr Peter | Automatic main protection fuse for distribution network |
| DE10202229B4 (en) * | 2002-01-21 | 2004-02-19 | Prodex Technologie Gmbh | Automatic switch with a simplified structure |
-
2002
- 2002-03-18 DE DE10211905A patent/DE10211905A1/en not_active Withdrawn
-
2003
- 2003-03-18 AU AU2003214137A patent/AU2003214137B9/en not_active Ceased
- 2003-03-18 DE DE50306378T patent/DE50306378D1/en not_active Expired - Lifetime
- 2003-03-18 ES ES03709797T patent/ES2279099T3/en not_active Expired - Lifetime
- 2003-03-18 WO PCT/EP2003/002817 patent/WO2003079389A1/en active IP Right Grant
- 2003-03-18 AT AT03709797T patent/ATE352857T1/en not_active IP Right Cessation
- 2003-03-18 EP EP03709797A patent/EP1488438B1/en not_active Expired - Lifetime
- 2003-03-18 CN CNB038113619A patent/CN100356494C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4001743A (en) * | 1974-05-14 | 1977-01-04 | Firma Heinrich Kopp, Inhaber Theodor Simoneit | Heavy duty automatic circuit breaker |
| EP0696041A1 (en) * | 1994-08-04 | 1996-02-07 | Legrand | Cut out |
| DE19919420A1 (en) * | 1999-04-28 | 2000-11-02 | Siemens Ag | Circuit breaker, for example circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE352857T1 (en) | 2007-02-15 |
| AU2003214137B9 (en) | 2006-09-28 |
| ES2279099T3 (en) | 2007-08-16 |
| DE50306378D1 (en) | 2007-03-15 |
| AU2003214137B2 (en) | 2006-03-16 |
| WO2003079389A1 (en) | 2003-09-25 |
| AU2003214137A1 (en) | 2003-09-29 |
| DE10211905A1 (en) | 2004-04-15 |
| EP1488438A1 (en) | 2004-12-22 |
| CN1653573A (en) | 2005-08-10 |
| EP1488438B1 (en) | 2007-01-24 |
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