CN1320582C - Modular four-pole residual current circuit breaker - Google Patents
Modular four-pole residual current circuit breaker Download PDFInfo
- Publication number
- CN1320582C CN1320582C CNB028022505A CN02802250A CN1320582C CN 1320582 C CN1320582 C CN 1320582C CN B028022505 A CNB028022505 A CN B028022505A CN 02802250 A CN02802250 A CN 02802250A CN 1320582 C CN1320582 C CN 1320582C
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- China
- Prior art keywords
- contact
- circuit breaker
- conductor
- contact site
- electric arc
- 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
Links
- 238000010791 quenching Methods 0.000 claims abstract description 17
- 239000004020 conductor Substances 0.000 claims description 38
- 238000010891 electric arc Methods 0.000 claims description 25
- 230000005611 electricity Effects 0.000 claims description 3
- 230000004907 flux Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 230000000171 quenching effect Effects 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000000875 corresponding effect Effects 0.000 description 6
- 239000003550 marker Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000002079 cooperative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/18—Means for extinguishing or suppressing arc
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/04—Contacts
-
- 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
- H01H9/40—Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc
Landscapes
- Breakers (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
- Push-Button Switches (AREA)
- Switches With Compound Operations (AREA)
Abstract
A single-pole miniature circuit breaker, comprises: a casing on which there are two terminals for connection, in input and in output from the circuit breaker, to a phase of a low-voltage electric circuit, said casing having a front wall from which an actuation lever protrudes, a rear wall for coupling to a supporting element, two side walls that are substantially mutually parallel and whose distance is equal to a base module M, an upper wall and a lower wall, inside the casing there being provided: fixed and moving contact means that can be mutually separated in order to interrupt the flow of current in said phase;-- a kinematic mechanism that is operatively connected to said actuation lever and is suitable to move said moving contact means;--electric are quenching means; a device for protection against short-circuits, which comprises a coil and a moving striker suitable to interact operatively with said kinematic mechanism; a device for protection against overloads, which comprises a heat-sensitive element that is suitable to interact operatively with the kinematic mechanism; characterized in that said fixed and moving contact means comprise a first pair of contacts, having a first fixed contact and a first moving contact, and a second pair of contacts, having a second fixed contact and a second moving contact, a first arc quenching chamber and a second arc quenching chamber being respectively associated with said first and second pairs of contacts, said first and second pairs of contacts being electrically series-connected to each other and being crossed by currents that have the same direction.
Description
Technical field
The present invention relates to a kind of miniature circuit breaker bar (pole), it is used for the application of low pressure, that is, operating voltage is up to 1000 volts.
Background technology
Be known that low-voltage electric system uses suitable protective device, this protective device generally is meant module circuit breaker or miniature circuit breaker in the art.
These circuit breakers are characterised in that dimensionally, quantity according to used bar, the width of these circuit breakers equals the multiple of the width of the width of standard module or standard module, described in relevant international standard, and these circuit breakers are by being installed in suitable supporting member for example on the DIN track and normally use, and this supporting member is placed on again in the electric casing of suitable setting usually.
To one of major requirement of the module circuit breaker of residual current type or pyromagnetic (magnetothermal) type is such ability; promptly; can utilize the time of disengagement fast to guarantee to carry out the protection of enough levels, only take as far as possible little space simultaneously in case any fault or misoperation take place in the locking system.Specifically, because the application type of circuit breaker plan, so should be appreciated that especially, these circuit breaker occupation space are as far as possible little, making to increase the quantity of used device for available same space, perhaps reduce the required space of device of equal number.
Under the situation of the small-sized or pyromagnetic module circuit breaker of type involved in the present invention, this needs are particular importances, because these devices have been considered to provide the protection of enough levels, with the major part in all electric currents that prevent possible overload situations and prevent to cause by short trouble; Under the situation of short circuit, related electric current reaches very high value in fact usually, and this interruption of current needs suitable electrology characteristic and mechanical strength property, in order to obtain these characteristics, need to use such parts, these parts have suitable size and according to specific structural configuration, can influence the overall dimension of circuit breaker at last, especially its width.
At present, in the miniature circuit breaker of known type, for the acceptable half-way house between the performance that realizes dimensional requirement and provided, particularly for the rupture capacity under the short-circuit condition, researched and developed such solution on the one hand, wherein by size that increases used parts and the structure of passing through to adopt special tectonic, therefore increased the width of circuit breaker with respect to the width of standard base module, thereby increased rupture capacity, and on the other hand, keep this normal width, but bought the circuit breaker of rupture capacity with reduction.
Summary of the invention
The purpose of this invention is to provide a kind of low-voltage miniature circuit breaker bar, the feasible shortcoming that can avoid prior art of this breaker lever, and specifically, with respect to known module circuit breaker with normal width, this breaker lever can improve its performance significantly, more specifically saying so significantly improves its rupture capacity when short-circuit condition, does not therefore need increased in size accordingly, especially width.
To become significantly hereinafter, this purpose has realized that by a kind of single pole miniature circuit breaker it comprises with other targets:
Housing has two terminals on this housing, be used for form with the input and output of circuit breaker be connected to low-voltage circuit mutually; This housing has antetheca, and actuating handle is outstanding from this antetheca; Be used to be connected to the rear wall on the supporting member; Two sidewalls, these sidewalls are parallel to each other basically and its distance equals base module M; Upper wall and lower wall; In this housing, be provided with:
Fixing and move contact device, these contact devices can be separated from each other so that make this current interruptions in mutually;
Motion, this motion are operably connected to this actuating handle and are applicable to and move this contact device that moves;
The arc-quenching device;
Be used to protect preventing the device of short circuit, it comprises coil and is suitable for operationally and the interactional mobile striker of this motion;
Be used to protect the device to prevent to transship, it comprises and being suitable for operationally and the interactional temperature-sensitive element of motion; It is characterized in that, contact device should be fixing and that move comprises first pair of contact site and second pair of contact site, this first pair of contact site has first fixed contact and first and moves contact site, this second pair of contact site has second fixed contact and second and moves contact site, the first arc-quenching chamber and the second arc-quenching chamber are associated with these first and second pairs of contact sites respectively, and these first and second pairs of contact sites are electrically connected with being one another in series and the electric current that passed through has identical direction.
By this way, can provide the functional characteristic that obviously improves with respect to prior art, the space requirement of optimization is provided simultaneously according to circuit breaker of the present invention.
Description of drawings
Only represent the present invention by the limiting examples in the accompanying drawing, to according to circuit breaker of the present invention preferably but not exclusive embodiment describe, additional features of the present invention and advantage will become from this explanation obviously, wherein:
Fig. 1 is the perspective view according to circuit breaker of the present invention;
Fig. 2 is another perspective view, has represented the parts of the circuit breaker of Fig. 1 in detail;
Fig. 3 is the perspective view according to the parts of circuit breaker of the present invention, takes from the opposition side with respect to Fig. 2;
Fig. 4 be when contact portion from the time under overcurrent condition the schematic diagram of the layout of the magnetic fluxes line in the electric arc outside; And
Fig. 5 is the circuit diagram according to circuit breaker of the present invention.
Embodiment
With reference to the accompanying drawing of quoting, miniature circuit breaker bar according to the present invention comprises housing 1, and this housing has: antetheca 2, and actuating handle 3 is outstanding from this antetheca, and this handle is connected on the housing, makes that it can be around the pivoted that suitably is provided with; Rear wall 4, this rear wall are shaped easily so that connect unshowned supporting guide, for example DIN track; Two sidewalls 5 and 6, these sidewalls are parallel to each other basically, and their distance equals base module M, and this distance defines the width of circuit breaker; Upper wall 7 and lower wall 8.And, the terminal 9 of two correspondences is arranged on housing, partly see one of them only among Fig. 1, and corresponding clamping terminal, be used for the phase that form with the input and output of circuit breaker is connected in the low-voltage circuit that this bar needs protection; Terminal 9 can be arranged on upper wall and lower wall place, as shown in fig. 1, perhaps can differently arrange therewith.
Specifically, consider normal manufacturing tolerance, this base module equal 17.5 (
0 + 0.5) mm, as described in DIN 43880 standards.
The functional part of circuit breaker is arranged in the inside of housing 1, and its mode will become from following explanation obviously, and functional part comprises: contact device fixing and that move, these devices can be separated from each other in case make circuit mutually in current interruptions; Original known motion, this motion are operably connected to actuating handle 3 and are suitable for moving this contact device that moves generally by reference marker 10 expressions; The arc-quenching device; Be used to protect to prevent the device of any short trouble; And be used to protect device to prevent to transship.
Specifically, therefore according to as known in the art and not have an embodiment of detailed description, be used to protect with the device that prevents short trouble and be the device of electromagnetic type and comprise coil 11, this coil be wrapped in supporting member 12 around, and striker 13, this striker operationally is associated with coil 11 and only partly illustrates in Fig. 2 and 3; This striker 13 is arranged in the inside of the winding of coil 11; and can move along the direction that connects upper wall 7 and lower wall 8; make under short-circuit condition; this striker operationally interacts with motion 10; it is activated, and finally make contact portion from and make protected current interruptions in mutually.
Be used to protect with the device that prevents to transship comprise for example bimetallic thin plate of temperature-sensitive element 14 again, this temperature-sensitive element is electrically connected on splicing ear 9; This element 14 operationally interacts with motion 10, so that this motion is thrown off, and therefore also makes contact portion from, and the current interruptions in making mutually.
Advantageously, in embodiment according to circuit breaker of the present invention, contact device fixing and that move comprises first pair of contact site, be provided with first fixed contact 15 and first and move contact site 16, this first move contact site 16 by suitable conductor for example flexible rope 19 be electrically connected on element 14; And second pair of contact site, it provides second fixed contact 17 and second to move 18, two couples of contact site 15-16 of contact site and 17-18 is electrically connected in the mode of describing in detail below with being one another in series.
Specifically, as shown in Fig. 2 and 3, first fixed contact 15 is arranged side by side with suitable distance along the line that is connected sidewall 5 and 6 with second fixed contact 17, that is to say, and be that width M arranges along the shortest size of circuit breaker; And contact site 15 and 17 arranges like this, makes surface that they and corresponding mobile contact site electrically connect towards wall 8, so these surfaces are transverse to the antetheca of housing and rear wall and sidewall and place.
Successively, conductor by two moulding advantageously provides first and moves contact site 16 and second and move contact site 18, these two conductors structurally are separated from each other and install like this, so that spaced apart with a certain distance on the contact retainer 29 of motion 10, this distance is corresponding to the distance between fixed contact 15 and 17; Should move contact retainer 29 and be arranged in the inside of housing and rotate around axis 20, this axis is by along the line guiding that connects sidewall 5 and 6, and therefore is arranged essentially parallel to the rotation axis 21 of actuating handle 3.
With regard to combination, in embodiment according to circuit breaker of the present invention, the arc-quenching device comprises two arc- quenching chambers 22 and 23, and each chamber operationally is associated with a pair of contact site, and these contact sites are represented by reference marker 15-16 and 17-18 respectively; This arc- quenching chamber 22 and 23 is arranged near rear wall 4 mutually abreast, makes each chamber approach corresponding side walls 5 and 6, and these arc-quenching chambers are placed in dividing plate 24 that plastic material therebetween makes separately.For guiding and the quenching of optimizing any electric arc, the electric arc of two correspondences being represented by reference marker 25-26 and 27-28 guiding conductor is associated with each chamber 22 and 23 in addition respectively.Specifically, first electric arc guiding conductor 25 is electrically connected on splicing ear 9 and is shaped like this, make it have the free end of the base portion that is arranged in chamber 22, and be fixed with first fixed contact 15 on second electric arc guiding conductor 26, this second electric arc guiding conductor at one end is electrically connected on coil 11 and has the other end, and this other end is freely and is arranged in the top of chamber 22.Successively, two electric arc guiding conductors that are associated with chamber 23 are made of the 3rd conductor 27 and the 4th conductor 28, the 3rd conductor dbus is crossed second flexible rope 19 and is electrically connected on second and moves contact site 18 and such structure, so that have the free end of the base portion that is arranged in chamber 23, be fixed with second fixed contact 17 on the 4th conductor, this second fixed contact is electrically connected on second terminal 9 and has the part on the top that is arranged in chamber 23.
Advantageously, use auxiliary conductor 30 according to circuit breaker of the present invention, this auxiliary conductor has first end that is connected in coil 11 and is connected in second end of the electric arc guiding conductor 27 that is associated with chamber 23; Specifically, in the embodiment shown in Fig. 2 and 3, auxiliary conductor has first 31 and second portion, in this first, end be freely and be connected in coil and with placements that meet at right angles of the axis of this coil, this second portion is adjacent to first 31 and perpendicular, this second portion is placed and layout like this along the line of connecting wall 7 and 8, make its a part of side direction be adjacent to coil 11, its free end is connected in conductor 27.Therefore, first fixed contact 15 and second moves contact site 18 and in series is electrically connected, and the centre is inserted with coil 11, auxiliary conductor 30, electric arc guiding conductor 27 and second flexible rope 19, and the circuit of Fig. 5 is provided.
Therefore by this way, by the layout of various parts and the structure of the electrical connection between each element, the two couples of contact site 15-16 and 17-18 in series are electrically connected and are arranged to closer to each other, make that they flow through the identical electric current of direction under normal operating state.
Therefore, when contact site separates owing to the state of short circuit, produced two electric arcs between each is to contact site 15-16 and 17-18, these electric arcs are schematically illustrated and electricity series connection each other by reference marker 40 in Fig. 4; Therefore each is subjected to the influence in corresponding magnetic field to electric arc guiding conductor, and the root of this electric arc 40 moves on this electric arc guiding conductor, and the line of flux 41 in this magnetic field has identical direction and overlapping at least in part.By this way, cooperating is to produce a kind of power synergistically in each magnetic field, and this masterpiece is used on the electric arc and makes the faster and more effectively quenching of electric arc.Specifically, owing to exist two pairs of contact sites and magnetic field overlapping, so according to circuit breaker of the present invention can make in two zones mutually in current interruptions, these two regional electricity are in series arranged, its rupture capacity is in fact because above-mentioned cooperative effect and shockingly high, in some cases even be higher than the twice of single rupture capacity value to contact site, this list is a part according to bar of the present invention to contact site.In fact have been found that, circuit breaker according to the present invention has been realized the purpose of plan, this is because the layout of various parts and the structure that they are electrically connected mutually, thereby makes the functional characteristic that obtains improve significantly with respect to the known circuit breaker of same size, especially same widths.And; except above-mentioned advantage; the present invention has two mobile contact sites; though this may be limited some; even but a contact site itself in mobile contact site has been when being welded on the corresponding fixed contact, the possibility with the mobile contact site that is separated from each other on two structures makes that also can have protectiveness throws off function.
Therefore think that this circuit breaker makes many variants and modifications easily, all these variants and modifications all fall in the scope of notion of the present invention; All details can also replace with other technical equivalences element.In fact, according to the requirement and the state of this area, material and size can be arbitrarily.
Claims (8)
1. single pole miniature circuit breaker, it comprises:
Housing has two terminals on this housing, be used for form with the input and output of circuit breaker be connected to low-voltage circuit mutually; Described housing has antetheca, and actuating handle is outstanding from this antetheca; Be used to be connected to the rear wall on the supporting member; Two sidewalls, these sidewalls are parallel to each other basically and its distance equals base module M; Upper wall and lower wall; In this housing, be provided with:
Fixing and move contact device, these contact devices can be separated from each other so that make described current interruptions in mutually;
Motion, this motion are operably connected to described actuating handle and are applicable to and move described mobile contact device;
The arc-quenching device;
Be used to protect preventing the device of short circuit, it comprises coil and is suitable for operationally and the interactional mobile striker of described motion;
Be used to protect the device to prevent to transship, it comprises and being suitable for operationally and the interactional temperature-sensitive element of motion; It is characterized in that, described contact device fixing and that move comprises first pair of contact site and second pair of contact site, this first pair of contact site has first fixed contact and first and moves contact site, this second pair of contact site has second fixed contact and second and moves contact site, the first arc-quenching chamber and the second arc-quenching chamber are associated with described first and second pairs of contact sites respectively, and described first and second pairs of contact sites are electrically connected with being one another in series and the electric current that passed through has identical direction.
2. circuit breaker according to claim 1 is characterized in that, described base module M equals about 17.5mm.
3. circuit breaker according to claim 1 and 2 is characterized in that, the conductor by two moulding being separated from each other on the structure provides described first to move contact site and described second and move contact site.
4. circuit breaker according to claim 3, it is characterized in that, described first and second move contact site installs like this, so that on the contact retainer of motion, be spaced from each other, described contact retainer is arranged in the housing, make this contact retainer around a rotational, this parallel axes is placed in the line that connects described sidewall.
5. circuit breaker according to claim 1, it is characterized in that, the electric arc guiding conductor of two correspondences is associated with the described first and second arc-quenching chambers, first free end that is electrically connected on first splicing ear and has an end that is arranged in first chamber in the described electric arc guiding conductor, second second end that has first end that is electrically connected on described coil and be arranged in the second end place of first chamber in the described electric arc guiding conductor, be fixed with described first fixed contact on second in the described electric arc guiding conductor, the 3rd electric arc guiding conductor dbus is crossed bonding conductor and is electrically connected on second and moves contact site and have the free end of an end that is arranged in second chamber, the 4th guiding conductor is electrically connected on second splicing ear and has the part at the second end place that is arranged in second chamber, is fixed with second fixed contact on the 4th guiding conductor.
6. circuit breaker according to claim 5, it is characterized in that, described first and second pairs of contact sites are arranged to closer to each other, make each contact portion from the time, form the electric arc of two correspondences, these electric arcs electricity each other arrange that in series described electric arc induces corresponding magnetic field on described electric arc guiding conductor, and the line of flux in this magnetic field has identical direction and overlapping at least in part.
7. circuit breaker according to claim 2, it is characterized in that, it comprises auxiliary conductor, this auxiliary conductor has first and second portion, this first is parallel to that the line that connects described upper wall and lower wall is placed and lateral approach coil partly, the one end is connected in the 3rd electric arc guiding conductor, and this second portion is adjacent to first and vertical with first, and second portion has an end that is connected in described coil.
8. circuit breaker according to claim 7, it is characterized in that, first fixed contact and second moves contact site and in series is electrically connected, described coil, described auxiliary conductor, described the 3rd electric arc guiding conductor and be used for described the 3rd electric arc guiding conductor and the described second described conductor that moves the connection between the contact site is placed in described first fixed contact and described second and moves between the contact site.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITMI01A001326 | 2001-06-22 | ||
| IT2001MI001326 IT1325891B (en) | 2001-06-22 | 2001-06-22 | MINIATURIZED SWITCH POLO |
| PCT/EP2002/007041 WO2003001549A1 (en) | 2001-06-22 | 2002-06-21 | Miniature circuit breaker pole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1465084A CN1465084A (en) | 2003-12-31 |
| CN1320582C true CN1320582C (en) | 2007-06-06 |
Family
ID=11447922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB028022505A Expired - Fee Related CN1320582C (en) | 2001-06-22 | 2002-06-21 | Modular four-pole residual current circuit breaker |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1399940B1 (en) |
| CN (1) | CN1320582C (en) |
| AT (1) | ATE317589T1 (en) |
| DE (1) | DE60209126T2 (en) |
| IT (1) | IT1325891B (en) |
| WO (1) | WO2003001549A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102856135A (en) * | 2011-07-01 | 2013-01-02 | 西门子公司 | Double-break protective switching device |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007511293A (en) * | 2003-11-14 | 2007-05-10 | ティッシュー エンジニアリング リフラクション， インコーポレイティッド | Method of epithelial treatment and device for treating epithelium |
| DE102013200929A1 (en) | 2013-01-22 | 2014-07-24 | Siemens Aktiengesellschaft | Switching mechanism for electro-mechanical switching device, has bearing element comprising bearing opening that is designed, such that arranged bending bead is freely movable in predefined position |
| DE102015207204A1 (en) | 2015-04-21 | 2016-10-27 | Siemens Aktiengesellschaft | Short circuit tripping device, method of manufacturing a solenoid and electro-mechanical protection device |
| DE102015217704A1 (en) | 2015-09-16 | 2017-03-16 | Siemens Aktiengesellschaft | Arc extinguishing device and protective switching device |
| DE102015217694A1 (en) | 2015-09-16 | 2017-03-16 | Siemens Aktiengesellschaft | Arc extinguishing device and protective switching device |
| DE102015226004B4 (en) | 2015-12-18 | 2021-11-18 | Siemens Aktiengesellschaft | Insulated housing and electromechanical circuit breaker |
| DE202017000141U1 (en) | 2017-01-11 | 2017-02-06 | Siemens Aktiengesellschaft | Electromechanical circuit breaker and connecting means |
| CN109427506B (en) * | 2017-08-25 | 2020-11-20 | 佛山市顺德区美的电热电器制造有限公司 | Pressure switch and electric pressure cooker |
| US10236145B1 (en) * | 2017-11-22 | 2019-03-19 | Carling Technologies, Inc. | High voltage DC circuit breaker with double break contacts |
| DE102018109403A1 (en) | 2018-04-19 | 2019-10-24 | Tdk Electronics Ag | switching device |
| DE102018210925B4 (en) | 2018-07-03 | 2022-06-09 | Siemens Aktiengesellschaft | Electromechanical low-voltage protective switching device |
| CN112490094A (en) * | 2020-12-22 | 2021-03-12 | 西安理工大学 | Current-limiting air direct-current circuit breaker arc extinguishing device and arc extinguishing method thereof |
| CN115547766A (en) * | 2021-06-29 | 2022-12-30 | 施耐德电器工业公司 | Miniature circuit breaker |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0619592A1 (en) * | 1993-04-07 | 1994-10-12 | Schneider Electric Sa | Electric circuit breaker with electrodynamic repulsion of the contacts and double extinguishing chambers |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH543174A (en) * | 1971-09-30 | 1973-10-15 | Carl Maier & Cie Elek Sche Sch | Circuit breaker |
| US4656446A (en) * | 1985-12-17 | 1987-04-07 | Westinghouse Electric Corp. | Current limiting circuit breaker with series double break contact system per pole |
| DE19517634C2 (en) * | 1995-05-13 | 2002-01-31 | Abb Patent Gmbh | Electrical installation switching device |
| EP1220260A1 (en) * | 2000-12-27 | 2002-07-03 | ABB Schweiz AG | Circuit breaker with a double break contact arrangement |
-
2001
- 2001-06-22 IT IT2001MI001326 patent/IT1325891B/en active
-
2002
- 2002-06-21 DE DE60209126T patent/DE60209126T2/en not_active Expired - Lifetime
- 2002-06-21 EP EP02747434A patent/EP1399940B1/en not_active Expired - Lifetime
- 2002-06-21 AT AT02747434T patent/ATE317589T1/en not_active IP Right Cessation
- 2002-06-21 WO PCT/EP2002/007041 patent/WO2003001549A1/en not_active Application Discontinuation
- 2002-06-21 CN CNB028022505A patent/CN1320582C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0619592A1 (en) * | 1993-04-07 | 1994-10-12 | Schneider Electric Sa | Electric circuit breaker with electrodynamic repulsion of the contacts and double extinguishing chambers |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102856135A (en) * | 2011-07-01 | 2013-01-02 | 西门子公司 | Double-break protective switching device |
| CN102856135B (en) * | 2011-07-01 | 2017-05-03 | 西门子公司 | Double-break protective switching device |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE317589T1 (en) | 2006-02-15 |
| WO2003001549A1 (en) | 2003-01-03 |
| EP1399940A1 (en) | 2004-03-24 |
| ITMI20011326A1 (en) | 2002-12-22 |
| DE60209126D1 (en) | 2006-04-20 |
| DE60209126T2 (en) | 2006-10-26 |
| EP1399940B1 (en) | 2006-02-08 |
| ITMI20011326A0 (en) | 2001-06-22 |
| IT1325891B (en) | 2004-12-30 |
| CN1465084A (en) | 2003-12-31 |
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