CN104040669A - Molded case circuit breaker - Google Patents
Molded case circuit breaker Download PDFInfo
- Publication number
- CN104040669A CN104040669A CN201280066561.0A CN201280066561A CN104040669A CN 104040669 A CN104040669 A CN 104040669A CN 201280066561 A CN201280066561 A CN 201280066561A CN 104040669 A CN104040669 A CN 104040669A
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- movable rod
- fixed lever
- bottom base
- fixed
- 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.)
- Granted
Links
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
-
- 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
- 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
- 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
- H01H73/06—Housings; Casings; Bases; Mountings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
Landscapes
- Breakers (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The present application relates to a molded case circuit breaker comprising: a plurality of holders forming fixing contact points; a plurality of movers pivoting through a switch to be capable of connecting to or separating from the plurality of holders, and forming moving contact points facing the fixing contact points; a plurality of arc chambers covering the contact point portions between the plurality of holders and the plurality of movers, and extinguishing arcs generated at the contact point portions; an integrally formed bottom base for individually holding the plurality of movers in the pivoting direction, the plurality of holders, and the plurality of arc chambers; and an integrally formed top base forming a pair with the bottom base, for individually sealing the plurality of movers, the plurality of holders, and the plurality of arc chambers. Therefore, when a short circuit occurs through each phase of sealing and insulation, the infiltration of melted material can be prevented, and the deterioration of insulating properties due to the infiltration of melted material can be prevented, and it is easy to secure short circuit performance by shortening the time for extinguishing an arc occurring due to a rise in internal pressure, and assemblability can be improved as a result of the simple structure wherein components are vertically coupled.
Description
Technical field
The application relates to a kind of circuit breaker, and relate more specifically to a kind of like this circuit breaker, the inside of this circuit breaker can be formed with vertical draw bail with sealed inside circuit breaker each mutually and can prevent that when short trouble occurs melted material flows in circuit breaker to stop the insulation property reduction in following equipment, this equipment can open and close and automatically block the electric current (such as overload current and short circuit current) under abnormality by manual operation or automatic operation.
In the vertical draw bail in inside, the application relates to a kind of like this circuit breaker, and this circuit breaker comprises: be fixed to bottom base with form can fixed contact a plurality of can fixed lever; Be arranged on described can fixed contact on to form a plurality of movable rod of movable contact; Be arranged on can fixed contact and movable contact between with cover described can fixed contact and a plurality of arc control device of described movable contact; With so structural bottom base for the treatment of vertically to be connected form a pair of a plurality of can fixed lever.This circuit breaker can seal described a plurality of movable rod and a plurality of arc control device dividually.
Background technology
Korean patent application No.10-2004-0079825 discloses a kind of circuit breaker, and more specifically disclose a kind of like this circuit breaker, the interconnection that this circuit breaker is set to insert safety device and internal pressure trip gear by outside at circuit breaker under not by the state peg graft to install operates maintenance trip status.
Comprising the switching device of on-off circuit and switching device be operated to dropout position and be installed in the circuit breaker of cross bar of outside pedestal, this circuit breaker comprises: pressure dropout instrument, and this pressure dropout instrument moves switching device to be operated to dropout position towards extruding cross bar or release to the direction of the extruding of cross bar; Be fixed to the supporting member of the bottom of circuit breaker; The first bar, this first bar is providing operating physical force by support member support and in the situation that circuit breaker is installed on grafting pedestal when along a direction rotation or in the situation that circuit breaker departs from grafting pedestal when other direction rotates; Provide elastic force so that the spring that the first bar rotates along other direction; Security tool assembly, this security tool assembly be connected with the first bar and be installed into extruding described pressure dropout instrument, and at the first bar, by discharging, the extruding of pressure dropout instrument is discharged to described cross bar during along a direction rotation, and this security tool assembly comprises the described pressure dropout instrument of extruding so that the second bar that cross bar moves to dropout position and pressure is passed to the protuberance of pressure dropout instrument from the second bar.This circuit breaker remains that trip status avoids with protection user the risk being shocked by electricity under electriferous state when circuit breaker and the disconnection of outside pedestal.
Korean utility model patent application No.20-2004-0035030 discloses a kind of circuit breaker, this circuit breaker reduces to sending of the arcing gas pressure sending by unexpected route minimum and does not need to prevent the optional feature that gas pressure leaks, and wherein said arcing gas produces in one pole switch unit.
This circuit breaker comprises can fixed contact, movable contact, rotatably support movable contact axostylus axostyle, in mode that can turn, support insulation crust and a plurality of acyclic type switch unit of this axostylus axostyle.In this circuit breaker, corresponding to the axostylus axostyle of cylindrical element, comprise: edge cells, this edge cells is circumferentially outstanding to axis direction from both sides; And rotating shaft unit, this rotating shaft unit mind-set axis direction from both sides is outstanding, the formed diameter of lock cell is greater than the diameter of axostylus axostyle, and the formed height of described lock cell has with respect to axial certain altitude and leaks and rotatably support described axostylus axostyle to prevent gas pressure, and supporting groove unit is formed with from the center of lock cell towards axial certain altitude and the rotating shaft unit that rotatably seals axostylus axostyle to support.
Korean patent application No.10-2004-0079825 discloses a kind of circuit breaker, and the gas-pressurized that this circuit breaker utilization is produced by arc phenomenon is to provide a kind of circuit breaker with compactness and high-blockage energy.
The gas-pressurized that circuit breaker utilization is produced by the generation of electric arc and compact conformation and there is height and block performance.This circuit breaker comprises: the fixture with fixed contact; Rotating moving element, this moving element at one end has the movable contact that can be connected and disconnect with fixed contact, and has pivot at the other end; Shell, this shell is around described fixture and moving element, and a side that produces position at electric arc limits pressure accumulation space, when current chopping, by the gas of the electric arc pressurization producing, be temporarily retained in thus a side of electric arc generation position between fixed contact and movable contact; Exhaust outlet, this exhaust outlet is formed on the opposite side that electric arc produces position in this case, thereby when current chopping, is retained in gas-pressurized in pressure accumulation space by being discharged between fixed contact and movable contact.
As mentioned above, conventional circuit breaker can and can automatically be blocked electric current (such as overload current and short circuit current) by manual operation or electric operating on-off circuit when there is unusual condition.Melted material flows in circuit breaker under unusual condition, thereby has reduced insulation property.
And this traditional circuit breaker is at a side assembling movable contact, thereby parts that need to be additional seal each phase by sealing and insulating method.Therefore, assembling product can be lowered.
Summary of the invention
Technical problem
The application proposes as a kind of circuit breaker is provided, and this circuit breaker prevents that by sealing and the insulation of each phase melted material flows in circuit breaker when being short-circuited fault, and prevents that insulation property from reducing because of the inflow of melted material.
The application's proposal is for providing a kind of circuit breaker, and the internal pressure that this circuit breaker causes by the sealing because of each phase when there is short trouble increases to shorten the quenching time, thereby easily guarantees short-circuit capability.
The application's proposal is for providing a kind of circuit breaker, and this circuit breaker is realized the hermetically-sealed construction of each phase by the vertical integration of bottom base and top base, thereby has simple structure and improve assembling product.
Technical solution
In some embodiments, a kind of circuit breaker comprises: a plurality of can fixed lever, these are a plurality of, and can fixed lever be constructed to can fixed contact in order to form; A plurality of movable rod, these a plurality of movable rod be constructed to by switch rotary with described a plurality of can connection or disconnect by fixed lever, and these a plurality of movable rod be constructed in order to form with described can the opposed movable contact of fixed contact; A plurality of arc control device, these a plurality of arc control device be constructed to cover described a plurality of can fixed lever and the contact site of described a plurality of movable rod to eliminate the electric arc producing on described contact site; Bottom base, this bottom base be constructed to hold dividually all the described a plurality of movable rod in direction of rotation, described a plurality of can fixed lever and described a plurality of arc control device, and this bottom base is constructed to one-body molded; And top base, this top base be constructed to described bottom base form a pair of with seal dividually described a plurality of movable rod, described a plurality of can fixed lever and described a plurality of arc control device, and this top base is by one-body molded.
In one embodiment, describedly a plurality ofly can described bottom base can be fixed to dividually by fixed lever.
In one embodiment, described a plurality of shape that can fixed lever can also comprise that U-bend Qu Suoshu can fixed contact.
In one embodiment, described a plurality of movable rod can connect with the movable axis being connected with described switch with the rotating shaft of pivot is provided, and described a plurality of movable rod moves described movable axis so that described a plurality of movable rod is rotated about described rotating shaft by described switch.
In one embodiment, described a plurality of arc control device can be formed with following structure, and the stacked clathrate plate of this structure is to cover described a plurality of described upside that can fixed contact that can fixed lever.
In one embodiment, described bottom base can comprise described a plurality of can the fixed cell of fixed lever and the holding unit of described a plurality of movable rod, and described bottom base can be by curable resin moulding.
In one embodiment, described top base can mark off to seal dividually described a plurality of can fixed lever, the part of described a plurality of movable rod and described a plurality of arc control device, and described top base can be by curable resin moulding.
In one embodiment, described bottom base and top base can vertically be connected.
In one embodiment, described switch can be arranged on the upside of described top base and make described a plurality of movable rod rotation by described movable axis.
Technique effect
Sealing and the insulation by each phase of this circuit breaker and correlation technique can prevent that melted material flows in circuit breaker when being short-circuited fault, and prevents that insulation property from reducing because of the inflow of melted material.
This circuit breaker and correlation technique can be by increasing to shorten the quenching time because each seals the internal pressure causing mutually when there is short trouble, thereby easily guarantee short-circuit capability.
This circuit breaker and correlation technique can be by bottom base and top base vertical integration be realized to each phase hermetically-sealed construction to there is simple structure and to improve assembling product.
Accompanying drawing explanation
Fig. 1 is the stereogram illustrating according to the circuit breaker of described technology example embodiment.
Fig. 2 is the exploded view that the internal structure of the circuit breaker in Fig. 1 is shown.
Fig. 3 is the stereogram of assembling form that the internal structure of the circuit breaker in Fig. 2 is shown.
Fig. 4 is the exploded view of method of operation that the internal structure of the circuit breaker in Fig. 3 is shown.
Fig. 5 is the view that launches and illustrate a plurality of movable rod in Fig. 1.
Fig. 6 is the view that launches and illustrate the bottom base in Fig. 1.
Embodiment
Execution mode described in accompanying drawing and configuration, just to the object of explanation, and do not represent all technical scopes of the present invention, thereby it should be understood that when submitting the application to and can have various equivalent and modification.Although for illustrative purposes, preferred implementation of the present disclosure has been described, but those skilled in the art will recognize that, in the situation that not departing from as disclosed scope and spirit of the present invention in claims, various modification, to supplement and replace be all possible.
Term and word for specification and claims should be understood relatively with the technical scope of the present invention based on the following fact, that is: the concept that defines term on inventor's possibility dependency illustrates the present invention in best mode.
Term " first " and " second " can be used to refer to various assembly, but these assemblies can be not limited to above term.These terms will be used to make an assembly to be different from another assembly.For example, in the situation that not departing from right of the present disclosure, the first assembly can be known as the second assembly and vice versa.
When an assembly is called as " being connected to " or " being attached to " another assembly, this assembly can be directly connected to or be attached to another assembly or be present in intermediate module between the two.On the contrary, if when an assembly is known as " being directly connected to " or " being directly attached to " another assembly, cannot there is intermediate module between.
These terms that are used in specification are to illustrate that embodiment is object and is not intended to limit the disclosure.Unless context separately explains, otherwise singular references can comprise plural number statement.In the following description, term " comprises " or " having " will be used to refer to described feature, quantity, step, operation, assembly, parts or its combination, and does not get rid of existence or the increase of any or a plurality of feature, quantity, step, operation, assembly, parts or its combination.
Unless otherwise defined, otherwise be used in this specification, comprise technical and scientific term can have common can be by implication understood by one of ordinary skill in the art.For example be limited at these terms in common dictionary, must be carried out deciphering and needn't idealized or exceedingly understand by the context based on correlation technique.
Fig. 1 is the stereogram illustrating according to the circuit breaker of the example embodiment of described technology, and Fig. 2 is the exploded view that the internal structure of the circuit breaker in Fig. 1 is shown.
See figures.1.and.2, circuit breaker 100 comprise a plurality of can fixed lever 110, a plurality of movable rod 120, a plurality of arc control device 130, bottom base 140, top base 150 and switch 160.In one embodiment, circuit breaker 100 can operate by the motion of switch 160 described a plurality of movable rod 120 with on-off circuit.
A plurality of can fixed lever 110 form can fixed contact.In one embodiment, a plurality of can fixed lever 110 can be fixed on dividually bottom base 140 can the fixed cell 141 of fixed lever on.And, a plurality of can fixed lever 110 formation can fixed contact a side can also comprise the shape of U-bend song.
U-bend song can form on the contrary a plurality of can fixed lever 110 and the circuit flow direction of a plurality of movable rod 120, with under unusual condition, increase a plurality of can fixed lever 110 and a plurality of movable rod 120 between electric repulsion.
Fig. 3 is the stereogram of assembling form that the internal structure of the circuit breaker in Fig. 2 is shown, and Fig. 4 is the exploded view of method of operation that the internal structure of the circuit breaker in Fig. 3 is shown.
In Fig. 3 and Fig. 4, the internal structure of circuit breaker 100 comprise a plurality of can fixed lever 110, a plurality of movable rod 120, a plurality of arc control device 130, bottom base 140, top base 150 and switch 160.
A plurality of can giving prominence between bottom base 140 and top base 150 by fixed lever 110.In one embodiment, a plurality of can stretching out through the groove being formed by bottom base 140 by fixed lever 110.A plurality of ledges that can fixed lever 110 can be connected with external circuit.
When switch 160 is rotated to clockwise direction, described a plurality of movable rod 120 are rotated.The rotation of described a plurality of movable rod 120 is rotations of carrying out about rotating shaft 121, so that movable axis 122 rises a plurality of movable rod 120.
As a result, when switch 160 is rotated to clockwise direction, make a plurality of movable rod 120 to clockwise direction rotation so that a plurality of can fixed lever 110 and a plurality of movable rod 120 disconnect and being electrically connected to.May produce electric arc in the case, yet a plurality of arc control device 130 can be eliminated electric arc.
On the other hand, when switch 160 is rotated to counter clockwise direction, make a plurality of movable rod 120 rotations.The rotation of a plurality of movable rod 120 is rotations of carrying out about rotating shaft 121, so that movable axis 122 reduces a plurality of movable rod 120.
Therefore, when switch 160 is rotated to counter clockwise direction, make a plurality of movable rod 120 to counterclockwise rotation so that a plurality of can fixed lever 110 and a plurality of movable rod 120 be electrically connected to.May produce electric arc in the case, yet a plurality of arc control device 130 can be eliminated electric arc.
Fig. 5 is the view that launches and illustrate a plurality of movable rod in Fig. 1.In Fig. 1, Fig. 2 and Fig. 5, can make a plurality of movable rod 120 rotations can be connected or disconnect by fixed lever 110 with a plurality of by switch 160.
In one embodiment, a plurality of movable rod 120 can connect and can connect with movable axis 122 with the rotating shaft 121 that pivot is provided, this movable axis is connected with switch 160, and described a plurality of movable rod can move this movable axis 122 so that a plurality of movable rod 120 is rotated about rotating shaft 121 by switch 160.
A plurality of arc control device 130 cover lid state a plurality of can fixed lever 110 and the contact site of a plurality of movable rod 120 to eliminate the electric arc producing on contact site.In one embodiment, a plurality of arc control device 130 can be formed with such structure, the stacked trellis plate of this structure with cover a plurality of can fixed lever 110 can fixed contact upside.
Fig. 6 is the view that launches and illustrate the bottom base in Fig. 1.In Fig. 1, Fig. 2 and Fig. 6, bottom base 140 can hold dividually a plurality of can fixed lever 110 and a plurality of movable rod 120 with by one-body molded.In one embodiment, can be formed with can the fixed cell 141 of fixed lever and the holding unit 142 of movable rod and can have hard intensity by curable resin moulding integratedly for bottom base 140.
Top base 150 can with bottom base 140 form a pair of and can seal dividually treat by integrated a plurality of can fixed lever 110, a plurality of movable rod 120 and a plurality of arc control device 130.In one embodiment, top base 150 can mark off to seal dividually a plurality of can fixed lever 110, the part of a plurality of movable rod 120 and a plurality of arc control device 130, and can there is hard intensity by curable resin moulding integratedly.
In one embodiment, bottom base 140 and top base 150 can mark off to hold dividually a plurality of can fixed lever 110, the part of a plurality of movable rod 120 and a plurality of arc control device 130, and can vertically be connected to seal each phase.
The structure that seals each phase by vertical connection can shorten the quenching time according to the increase of internal pressure, thereby easily guarantees short-circuit capability when short trouble occurs, and structure can simply and improve assembling product.
Switch 160 comprises the movable axis linkage unit 161 connecting with movable axis 122.In one embodiment, switch 160 can move movable axis 122 by movable axis linkage unit 161, so that described a plurality of movable rod 120 is about rotating shaft 121 rotations.
Although described the present invention with reference to its a plurality of illustrative embodiments, should be appreciated that, it may occur to persons skilled in the art that many other modifications and execution mode in the spirit and scope that fall into principle of the present disclosure.
Claims (9)
1. a circuit breaker, this circuit breaker comprises:
A plurality of can fixed lever, these are a plurality of, and can fixed lever be constructed to can fixed contact in order to form;
A plurality of movable rod, these a plurality of movable rod be constructed to by switch rotary with described a plurality of can connection or disconnect by fixed lever, and these a plurality of movable rod be constructed in order to form with described can the opposed movable contact of fixed contact;
A plurality of arc control device, these a plurality of arc control device be constructed to cover described a plurality of can fixed lever and the contact site of described a plurality of movable rod to eliminate the electric arc producing on described contact site;
Bottom base, this bottom base be constructed to hold dividually all the described a plurality of movable rod in direction of rotation, described a plurality of can fixed lever and described a plurality of arc control device, and this bottom base is constructed to one-body molded; And
Top base, this top base be constructed to described bottom base form a pair of with seal dividually described a plurality of movable rod, described a plurality of can fixed lever and described a plurality of arc control device, and this top base is by one-body molded.
2. circuit breaker according to claim 1, wherein, describedly a plurality ofly can be fixed to described bottom base by fixed lever dividually.
3. circuit breaker according to claim 2, wherein, described a plurality of shapes that can fixed lever also comprise that U-bend Qu Suoshu can fixed contact.
4. circuit breaker according to claim 1, wherein, described a plurality of movable rod connects with the movable axis being connected with described switch with the rotating shaft of pivot is provided, and described a plurality of movable rod moves described movable axis so that described a plurality of movable rod is rotated about described rotating shaft by described switch.
5. circuit breaker according to claim 1, wherein, described a plurality of arc control device are formed with following structure, and the stacked clathrate plate of this structure is to cover described a plurality of described upside that can fixed contact that can fixed lever.
6. circuit breaker according to claim 1, wherein, described bottom base comprise described a plurality of can the fixed cell of fixed lever and the holding unit of described a plurality of movable rod, and described bottom base is by curable resin moulding integratedly.
7. circuit breaker according to claim 1, wherein, described top base mark off to seal dividually described a plurality of can fixed lever, the part of described a plurality of movable rod and described a plurality of arc control device, and described top base is by curable resin moulding integratedly.
8. according to the circuit breaker described in claim 6 or 7, wherein, described bottom base and described top base are vertically connected.
9. circuit breaker according to claim 1, wherein, described switch is arranged on the upside of described top base and makes described a plurality of movable rod rotation by described movable axis.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020120003008A KR101276369B1 (en) | 2012-01-10 | 2012-01-10 | Circuit breaker |
| KR10-2012-0003008 | 2012-01-10 | ||
| PCT/KR2012/011260 WO2013105745A1 (en) | 2012-01-10 | 2012-12-21 | Molded case circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104040669A true CN104040669A (en) | 2014-09-10 |
| CN104040669B CN104040669B (en) | 2016-04-27 |
Family
ID=48781657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280066561.0A Active CN104040669B (en) | 2012-01-10 | 2012-12-21 | Shell molds formula circuit breaker |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2804196B1 (en) |
| KR (1) | KR101276369B1 (en) |
| CN (1) | CN104040669B (en) |
| WO (1) | WO2013105745A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005228669A (en) * | 2004-02-16 | 2005-08-25 | Fuji Electric Fa Components & Systems Co Ltd | Circuit breaker |
| CN1988096A (en) * | 2005-12-21 | 2007-06-27 | 三菱电机株式会社 | Circuit breaker |
| CN101162667A (en) * | 2006-10-13 | 2008-04-16 | Abb服务有限公司 | Low-voltage device with reinforced rotating element |
| CN201725745U (en) * | 2010-05-13 | 2011-01-26 | 上海华联低压电器有限公司 | Anti-falling contact mechanism for low-voltage circuit breaker |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19912669A1 (en) * | 1999-03-20 | 2000-09-21 | Abb Research Ltd | Microrelay operating parallel to the substrate |
| DE10129505C1 (en) * | 2001-06-19 | 2002-10-10 | Moeller Gmbh | Multi-pole low voltage switch with dual housing has common switch chamber housing with drive mechanism on upper part with drive element coupled to at least one connecting element |
| KR20040035030A (en) | 2002-10-18 | 2004-04-29 | 라은경 | Oxygen capsul |
| US20040176207A1 (en) | 2003-03-07 | 2004-09-09 | Suydam Christopher J. | Differential pinion having a grooved bore |
| KR101027780B1 (en) * | 2006-10-17 | 2011-04-07 | 현대중공업 주식회사 | Arc pressure trip device of the circuit breakers |
| JP2008270136A (en) | 2007-04-25 | 2008-11-06 | Mitsubishi Electric Corp | Circuit breaker |
| KR100919208B1 (en) * | 2007-09-14 | 2009-09-28 | 엘에스산전 주식회사 | Mold cased circuit breaker |
| JP2009295293A (en) * | 2008-06-02 | 2009-12-17 | Mitsubishi Electric Corp | Circuit breaker |
-
2012
- 2012-01-10 KR KR1020120003008A patent/KR101276369B1/en active IP Right Grant
- 2012-12-21 EP EP12864991.0A patent/EP2804196B1/en active Active
- 2012-12-21 CN CN201280066561.0A patent/CN104040669B/en active Active
- 2012-12-21 WO PCT/KR2012/011260 patent/WO2013105745A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005228669A (en) * | 2004-02-16 | 2005-08-25 | Fuji Electric Fa Components & Systems Co Ltd | Circuit breaker |
| CN1988096A (en) * | 2005-12-21 | 2007-06-27 | 三菱电机株式会社 | Circuit breaker |
| CN101162667A (en) * | 2006-10-13 | 2008-04-16 | Abb服务有限公司 | Low-voltage device with reinforced rotating element |
| CN201725745U (en) * | 2010-05-13 | 2011-01-26 | 上海华联低压电器有限公司 | Anti-falling contact mechanism for low-voltage circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013105745A1 (en) | 2013-07-18 |
| EP2804196A4 (en) | 2016-01-06 |
| EP2804196A1 (en) | 2014-11-19 |
| KR101276369B1 (en) | 2013-06-18 |
| CN104040669B (en) | 2016-04-27 |
| EP2804196B1 (en) | 2020-05-13 |
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Effective date of registration: 20170828 Address after: Seoul, South Kerean Patentee after: Modern power and Energy Systems Inc Address before: Ulsan, South Korea Patentee before: Hyundai Heavy Industries Co., Ltd. |
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