CN101552159B - Circuit breaker - Google Patents
Circuit breaker Download PDFInfo
- Publication number
- CN101552159B CN101552159B CN2008101715843A CN200810171584A CN101552159B CN 101552159 B CN101552159 B CN 101552159B CN 2008101715843 A CN2008101715843 A CN 2008101715843A CN 200810171584 A CN200810171584 A CN 200810171584A CN 101552159 B CN101552159 B CN 101552159B
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- Prior art keywords
- mentioned
- unit box
- double break
- switching mechanism
- circuit
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
- H01H1/20—Bridging contacts
- H01H1/2041—Rotating bridge
- H01H1/2058—Rotating bridge being assembled in a cassette, which can be placed as a complete unit into a circuit breaker
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/0006—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches
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- 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
- H01H71/522—Manual reset mechanisms which may be also used for manual release actuated by lever comprising a cradle-mechanism
- H01H71/525—Manual reset mechanisms which may be also used for manual release actuated by lever comprising a cradle-mechanism comprising a toggle between cradle and contact arm and mechanism spring acting between handle and toggle knee
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H2011/0093—Standardization, e.g. limiting the factory stock by limiting the number of unique, i.e. different components
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Breakers (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention provides a circuit breaker capable of achieving standardization for a switch machenism as well as uniforming the operation handle postions of a sigle-pole double-interruption circuit breaker and a sigle-pole single-interruption circuit breaker. The circuit breaker includes housing, a frame that is fixed to the housing, and a make and break mechanism. The housing is configured to comprise a double-break unit case having two pairs of the moving contact point and the stationary contact point or a member that is different from the double -break unit case. The frame has a first fixingportion for fixing the make and break mechanism to the double-break unit case and a second fixing portion for fixing the make and break mechanism to the housing in which the member is provided.
Description
Technical field
The present invention relates to the circuit-breakers such as Inturruptor for sub-line or residual current circuit breaker, in detail, relate to part standard and the apparent design unification of switching mechanism section.
Background technology
Circuit-breaker not only has by the operating grip that arranges in this circuit-breaker is operated, thereby with the function of circuit on/off, be switching function, also to have in order preventing in advance and because overcurrent flows through, electric wire or load equipment to be burnt and the important function that circuitry cuts is such.Disconnection for this circuit, for example defined the such scope of 1kA～200kA as " specified cut-out electric current " in JIS (Japanese Industrial Standards) C8370, as everyone knows, each manufacturer all is being devoted to enrich product line, with can be corresponding to the situation of this circuit, namely and the thickness of the distance between transformer, electric wire etc., suitably select to have the circuit-breaker of suitable specified cut-out electric current.
But when cutting off, produce electric arc between a so-called docking point that is consisted of by travelling contact and fixed contact, in order to eliminate fast this electric arc, the preferred arc voltage that is used for pilot arc itself that improves, if therefore setting example is as 2 group of one docking point (so-called one pole double break), arc voltage correspondingly becomes twice, naturally is specially adapted to the product of high rupturing capacity.The known following structure of object lesson as this one pole double break, center of rotation with respect to the travelling contact seat that can rotate is disposed at point symmetry position with mains side and load-side contact seat, wherein, this travelling contact seat has two travelling contacts at two ends, this mains side and load-side contact seat have respectively the fixed contact paired with each travelling contact (for example, with reference to patent documentation 1).
Patent documentation 1: Unexamined Patent 10-223115 communique (the 2nd page of right hurdle the 45th row～the 3rd page left hurdle the 1st row, Fig. 1)
Summary of the invention
As this one pole double break (below, also referred to as spinning movement (roto-active) formula) structural feature, according to Fig. 1 of patent documentation 1 as can be known, owing to cutting off to load-side (right side on paper) exhaust, so need to make mains side travelling contact (label 3) to the housing bottom surface away from direction disconnect.On the other hand, usually, in circuit-breaker, in order to ensure the contact reliability between contact, compare with the contact detaching direction, need larger power on contact contact direction.Here, the configuration of the main spring that space availability ratio is the highest be this Fig. 1 direction (namely, vertical direction), and, according to the structure that is consisted of toggle link by upper connecting rod and lower link (when the illustrated connection roughly in line, be roughly " く " font when not shown disconnection), when switching mechanism section drives lower link, from power (the so-called clockwise disconnection direction) less of bottom surface pull-up, but can produce larger pushing force (so-called counterclockwise connection direction) to the bottom surface direction.
Therefore, in the situation that consider exhaust and contact contact to described load-side, this configuration and structure have advantages of that product can obtain high reliability.On the other hand, because driven the point of travelling contact seat (hereinafter referred to as rotating part) by lower link, compare with the rotating shaft of this rotating part and be positioned at mains side (left side on paper), therefore the switching mechanism section that comprises lower link also naturally can be near the mains side of this circuit-breaker, and operating grip is configured in mains side similarly.
If circuit-breaker is all this spinning movement formula, this " near mains side " and be not a problem.But, as previously mentioned, specified rupturing capacity has multiple, actual conditions are that each manufacturer must produce with the manufacturing cost corresponding with its specified rupturing capacity, namely, the specified rupturing capacity of circuit-breaker is lower, therefore must produce with lower manufacturing cost, not all circuit-breaker all adopts the one pole double break, also have a lot of products adopt the cost performance excellences, so-called one pole list is disconnected.
Yet, certainly also to improve the cut-out performance even this one pole list is disconnected, as its measure, for example make movable contact as far as possible long, to guarantee the separating distance between contact.For this reason, in any case keep the cross bar of movable contact also must to accompany therewith near load-side, the switching mechanism section that comprises operating grip also is configured in the substantial middle of this circuit-breaker.
Its result, disconnected for one pole double break and one pole list, although the so-called switching mechanism section from operating grip to lower link can be general, but certainly exist each relevant auxiliary equipment of operating grip and must have two kinds of such troubles, also there is the difference in the appearance design that the position difference as operating grip causes the problem that user's usability aspect is relatively poor.In addition, have separately special-purpose switching mechanism section if make the position consistency of operating grip, variation correspondingly on the part standard this point, will inevitably lose cost competitiveness.
The present invention proposes in order to solve above-mentioned problem, and its purpose is to obtain in the part standard that realizes switching mechanism section, also makes its operating grip position obtain unified one pole double break and the disconnected circuit-breaker of one pole list.
Circuit-breaker involved in the present invention, it is made of following part: movable contact, its at least one end has travelling contact; Fixed contact therefor, it has the fixed contact that contacts/separate with above-mentioned travelling contact; Holding member, it keeps above-mentioned movable contact; Lower link, it drives this holding member; Lever, it engages with the chain shot of over current trip, rotates when this circuit-breaker tripping operation; Upper connecting rod, its axle are supported on this lever, be combined with above-mentioned lower link via spring catch, and consist of toggle link together with this lower link; Main spring, its slave end is combined with above-mentioned spring catch; And the handle arm of U font roughly, it is combined with the driving side of this main spring, the earth's axis free to rotate is supported on framework, this framework is fixed on the housing of this circuit-breaker, and wherein, above-mentioned housing possesses or do not possess the double break unit box, this double break unit box constitutes has two pairs of above-mentioned travelling contacts and above-mentioned fixed contact, and, be provided with simultaneously on said frame: the first fixed part, it is used for being fixed on the housing that possesses above-mentioned double break unit box; And second fixed part, it is used for being fixed on the housing that does not possess above-mentioned double break unit box.
The effect of invention
The present invention can provide usability good low-price electricity circuit breaker as mentioned above.
Description of drawings
Fig. 1 means the outward appearance oblique view after one pole double break circuit-breaker shell is pulled down of embodiments of the present invention 1.
Fig. 2 is the side cutaway view of the tripped condition of Fig. 1.
Fig. 3 is the profile along the A-A line in Fig. 2.
Fig. 4 is the side cutaway view of the on-state in Fig. 1.
Fig. 5 is the side cutaway view of the off-state in Fig. 1.
Fig. 6 means the figure suitable with Fig. 2 of the one pole list deenergizing circuit breaker of embodiments of the present invention 1.
Embodiment
Execution mode 1
Fig. 1～Fig. 5 represents the one pole double break circuit-breaker in embodiments of the present invention 1, in detail, Fig. 1 is the outward appearance oblique view of pulling down after shell, and Fig. 2 is the side cutaway view of tripped condition, Fig. 4 is the side cutaway view of on-state, and Fig. 5 is the side cutaway view of off-state.In addition, Fig. 3 is the profile along the A-A line in Fig. 2.In addition, Fig. 6 means the figure suitable with Fig. 2 of the one pole list deenergizing circuit breaker in embodiments of the present invention 1.
In Fig. 1,3 utmost points are made of shell 1 (with reference to Fig. 2) and pedestal 2A with the insulation shell of one pole double break circuit-breakers 101, wherein, dispose on pedestal 2A: switching mechanism section 51, and it has operating grip 3; (this situation in be 3) double break unit box 52 corresponding with number of poles; And over current trip 53.In addition, operating grip 3 is outstanding with perforate 1a (with reference to Fig. 2) from the handle of shell 1, thus can be to being switched on or switched off the direction operation this point, and according to the position relationship of double break unit box 52 and over current trip 53, the 4th, power supply side terminal, the 5th, the load side terminal this point is respectively with known identical.
For double break unit box 52, be also known technology except aftermentioned rotating part connecting rod.That is, as shown in Figure 2, double break unit box 52 is made of following part, that is: the mains side fixed contact therefor 6, and it extends setting from power supply side terminal 4, and an end has mains side fixed contact 7; Load-side fixed contact therefor 12, it is connected with load side terminal 5 via over current trip 53, and an end has load-side fixed contact 11; Movable contact 9, it is kept by for example rotating part 13 as resin forming product, and two ends have mains side and the load- side travelling contact 8,10 that contacts/separate with mains side and load-side fixed contact 7,11; And arc-extinction device 14,15, its will due between mains side fixed contact 7 and mains side travelling contact 8 and the electric arc that produces of the separation between load-side travelling contact 10 and load-side fixed contact 11 block.In addition, dispose on rotating part 13 and connect pressing spring 32 (with reference to Fig. 3) for what form contact between contact 7 and 8 and 10 and 11, simultaneously, this rotating part 13 is connected with not shown connecting rod, with corresponding with the action of switching mechanism section 51 and the movable contact 9 of each utmost point is rotated.That is, what the side cutaway view of this Fig. 2 represented is the middle utmost point, and it shows and want as the present invention the combination of 51, the switching mechanism section of section.
Below, the structure of switching mechanism section 51 is described.As shown in Figure 1, switching mechanism section 51 is by the handle arm 17 of U font roughly and be fastened on the operating grip 3 on this handle arm 17 and carry out so-called blocking, this handle arm 17 earth's axis free to rotate is supported on the framework 16 that is formed by pair of frames plate 16A respect to one another, 16B, inside for this switching mechanism section 51, again return to Fig. 2, consisted of by following part: lever 19, it engages with the chain shot 18 of over current trip 53, is supported on framework 16 by rotation axis 19a axle; Upper connecting rod 20, its axle are supported on this lever 19; Lower link 21, its via spring catch 22 with this on connecting rod 20 combinations, consist of thus toggle link; And main spring 23, its slave end 23a (with reference to Fig. 3) tensioning frame is located on spring catch 22, and driving side 23b (with reference to Fig. 3) tensioning frame is located on handle arm 17.Here, the first main points of the present invention are, the switching mechanism section 51 of this blocking can be used for respectively the circuit-breaker 102 that has the circuit-breaker 101 of pedestal 2A and have aftermentioned pedestal 2B.
Below, according to Fig. 2, Fig. 4, and Fig. 5, to the combination of the switching mechanism section 51 in circuit- breaker 101 and 52 of double break unit boxes and move and describe.Be arranged on the first fixed part 16a1,16a2 on frame plate 16A (16B) by utilization, switching mechanism section 51 and double break unit box 52 is fastening, thereby make the lower link 21 of giving prominence to respect to framework 16 on paper downwards, be inserted into the rotation that is arranged on double break unit box 52 and use in the 52a of hole, be combined with an end 24a of rotating part connecting rod 24.This rotating part connecting rod 24 has roughly the shape of " く " word, and engaging has the rotating part pin 25 that is arranged on rotating part 13 in the slotted hole 24b at its bending point place.That is, the action of lower link 21 is delivered on rotating part 13 via this rotating part connecting rod 24.In addition, the other end 24c of rotating part connecting rod 24, in other words, the mains side of rotating part rotation axis 13a (right side on paper) becomes the rotation axis of this rotating part connecting rod 24.
Under the off-state of Fig. 5, if operating grip 3 is rotated on paper clockwise, driving side 23b centered by the rotation axis 17a of handle arm 17, moves as shown in Figure 4.Move by this, the loading direction of main spring 23 changes, and spring catch 22 is also moved as shown in Figure 4, makes thus lower link 21 actions, and rotating part connecting rod 24 is depressed downwards.Depress by this, make rotating part 13 rotate moving part pin 25 to the clockwise direction rotation, as shown in Figure 4, between contact 7 and 8 and 10 and 11, contact, be transferred to so-called on-state.
Under the on-state of this Fig. 4, if make operating grip 3 on paper to counterclockwise rotating specifically, with on the contrary aforementioned, move to left by making spring catch 22, thereby make lower link 21 actions, with rotating part connecting rod 24 pull-up upward.By this pull-up, make rotating part 13 rotate moving part pin 25 to counterclockwise rotating, as shown in Figure 5, separate between contact 7 and 8 and 10 and 11, be transferred to so-called off-state.
In addition, under the on-state of Fig. 4, make over current trip 53 actions if overcurrent etc. detected, the driven chain shot 18 that makes by trip(ping) bar 26 (with reference to Fig. 1) rotates, the engaging releasing that this chain shot 18 and lever are 19.Here, as well-known because lever 19 all the time by main spring 23 on paper to the clockwise direction pretension, therefore begin to rotate to clockwise direction centered by rotation axis 19a.By this rotation, driving side 23b and spring catch 22 relatively move, and finally begin effect power upward on spring catch 22, make lower link 21 actions.After the action of this lower link 21, with described from the transfer that is switched to disconnection in the same manner, become as shown in Figure 2 so-called tripped condition.
Like this, be passed to rotating part connecting rod 24 by the action with lower link 21, by this rotating part connecting rod 24, rotating part 13 rotated, can list following characteristics.Namely, with patent documentation 1 on the contrary, rotation axis 13a with respect to rotating part 13 is positioned on the basis in load-side (left side on Fig. 2 paper) at the rotating part drive end (an end 24a who is equivalent to rotating part connecting rod 24) of lower link 21, and the application point of rotating part connecting rod 13 (position that is equivalent to rotating part pin 25) is positioned at mains side (right side on paper) with respect to rotation axis 13a.In addition, pass through said structure, application point is compared more close fulcrum (position that is equivalent to other end 24c) with force (position that is equivalent to an end 24a), compare with the situation of this rotating part connecting rod 24 not and have larger driving, in detail, according to distance L 1 and the L2 shown in Fig. 4, can obtain being equivalent to the power of L2/L1, particularly can improve the contact reliability of contact.In addition, by the position of change rotating part pin 25, can also obtain to carry out with comparalive ease the auxiliaring effects such as adjustment of the contact required load of contact or contact separating distance.
Below, the second main points of the present invention are described.as mentioned above, section of aforementioned switches mechanism 51 as shown in Figure 6, can also be used for 3 utmost points with one pole list deenergizing circuit breaker 102, at this moment, design by the combination to 52 of switching mechanism section 51 and double break unit boxes as previously mentioned, namely, again repeat above-mentioned explanation, make rotating part connecting rod 24 between lower link 21 and rotating part 13, also can clearly be seen that from Fig. 2, switching mechanism section 51 compares more close load-side with rotating part 13, more briefly, be configured in the substantial middle of circuit-breaker 101, even do not change thus the position of this switching mechanism section 51, and be directly used in as shown in Figure 6 one pole list deenergizing circuit breaker 102, also can guarantee the separating distance between sufficient contact.therefore, the second main points of the present invention are, the second fixed part 16b in the not shown recess that can be pressed into pedestal 2B is set on frame plate 16A (16B), switching mechanism section 51 is fixed on this pedestal 2B, simultaneously, make lower link 21 and cross bar 29 combinations, can form thus the one pole list deenergizing circuit breaker 102 different from one pole double break circuit-breaker 101, wherein, this pedestal 2B has each parts (fixed contact therefor 27 that is fit to accommodate formation one pole list deenergizing circuit breaker 102, movable contact 28, cross bar 29, movable piece support portion 30, arc-extinction device 31 etc.) shape.In addition, a series of actions of this one pole list deenergizing circuit breaker 102 is known, so detailed.
Thus, essence of the present invention is, also can be used for single disconnected basis making its switching mechanism section both can be used for double break, by fixed part separately is set on as the framework 16 of housing simultaneously, and rotating part connecting rod 24 is set when double break, by above-mentioned measure, thereby unified the position of the position of switching mechanism section and two kinds of circuit-breakers 101,102 operating grip 3.Its result, can provide the circuit-breaker that usability is good, cost performance is excellent to the user, it not only can realize part standard, and can eliminate and be provided with at the same time two kinds of circuit-breakers 101, the apparent inharmonious sense of 102 o'clock, and can realize relevant to operating grip 3, general such as operating handle or electrically operated device etc.In addition, in the above description circuit-breaker is illustrated, but the present invention can use in all this derailing switches certainly, also not depart from the scope of the present invention even carried out trickle change.
Claims (2)
1. circuit-breaker, it is made of housing, the framework and the switching mechanism section that are fixed on above-mentioned housing,
This switching mechanism section has: movable contact, and its at least one end has travelling contact; Fixed contact therefor, it has the fixed contact that contacts/separate with above-mentioned travelling contact; Holding member, it keeps above-mentioned movable contact; Lower link, it drives this holding member; Lever, it engages with the chain shot of over current trip, rotates when this circuit-breaker tripping operation; Upper connecting rod, its axle are supported on this lever, be combined with above-mentioned lower link via spring catch, and consist of toggle link together with this lower link; Main spring, its slave end is combined with above-mentioned spring catch; And the handle arm of U font roughly, it is combined with the driving side of this main spring, and the earth's axis free to rotate is supported on said frame,
It is characterized in that,
Above-mentioned housing possesses the double break unit box, or possesses the unit box different from above-mentioned double break unit box, and this double break unit box constitutes has two pairs of above-mentioned travelling contacts and above-mentioned fixed contact,
And, be provided with simultaneously on said frame: the first fixed part, it is used for above-mentioned double break unit box and above-mentioned switching mechanism section are fixed; And second fixed part, its unit box and above-mentioned switching mechanism section that is used for being different from above-mentioned double break unit box is fixed,
In the situation that above-mentioned housing possesses above-mentioned double break unit box,
The foregoing circuit circuit breaker also has the rotating part connecting rod,
Above-mentioned movable contact, above-mentioned fixed contact therefor and above-mentioned holding member are housed in above-mentioned double break unit box, and above-mentioned holding member is rotating part, and this rotating part is combined with above-mentioned lower link via above-mentioned rotating part connecting rod,
Possess above-mentioned double break unit box and above-mentioned housing possesses under the unit box both of these case different from above-mentioned double break unit box at above-mentioned housing, share identical above-mentioned switching mechanism section, make the position of above-mentioned switching mechanism section unified.
2. circuit-breaker according to claim 1, is characterized in that,
In the situation that above-mentioned housing possesses the unit box different from above-mentioned double break unit box, above-mentioned holding member is cross bar.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008-090586 | 2008-03-31 | ||
| JP2008090586A JP4821793B2 (en) | 2008-03-31 | 2008-03-31 | Circuit breaker |
| JP2008090586 | 2008-03-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101552159A CN101552159A (en) | 2009-10-07 |
| CN101552159B true CN101552159B (en) | 2013-05-08 |
Family
ID=40693608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101715843A Active CN101552159B (en) | 2008-03-31 | 2008-10-29 | Circuit breaker |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2107588B1 (en) |
| JP (1) | JP4821793B2 (en) |
| CN (1) | CN101552159B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012186065A (en) * | 2011-03-07 | 2012-09-27 | Mitsubishi Electric Corp | Circuit breaker |
| WO2014057517A1 (en) * | 2012-10-11 | 2014-04-17 | 三菱電機株式会社 | Circuit breaker |
| JP5971654B2 (en) * | 2012-11-14 | 2016-08-17 | 三菱電機株式会社 | Circuit breaker |
| JP6159747B2 (en) * | 2015-02-10 | 2017-07-05 | 株式会社Ｎｔｔファシリティーズ | Circuit breaker and circuit breaker |
| CN111463079B (en) * | 2019-01-18 | 2024-01-23 | 施耐德电器工业公司 | Circuit breaker |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1170299C (en) * | 2000-03-06 | 2004-10-06 | 富士电机株式会社 | Circuit breaker |
| CN1822277A (en) * | 2005-02-16 | 2006-08-23 | 富士电机机器制御株式会社 | Circuit breaker |
| CN1988096A (en) * | 2005-12-21 | 2007-06-27 | 三菱电机株式会社 | Circuit breaker |
| CN101055821A (en) * | 2006-04-14 | 2007-10-17 | 富士电机机器制御株式会社 | Circuit breaker |
| DE102006059307B3 (en) * | 2006-12-15 | 2008-02-21 | Moeller Gmbh | Electrical switching device e.g. power switch and separation switch, has auxiliary axle inserted for formation of device as one-way circuit breaker, where upper and lower levers are connected with each other by axle in flexible manner |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10223115A (en) | 1997-02-10 | 1998-08-21 | Hitachi Ltd | Circuit breaker |
| JP3380732B2 (en) * | 1997-12-25 | 2003-02-24 | 株式会社日立製作所 | Circuit breaker |
| DE20111726U1 (en) * | 2001-07-14 | 2002-12-05 | Moeller Gmbh | Switch lock for multipole electrical switching devices |
| JP2008090586A (en) | 2006-10-02 | 2008-04-17 | Tsukuba Secure Network Research Co Ltd | Web-site validity determination support system |
-
2008
- 2008-03-31 JP JP2008090586A patent/JP4821793B2/en active Active
- 2008-09-24 EP EP08016768.7A patent/EP2107588B1/en not_active Expired - Fee Related
- 2008-10-29 CN CN2008101715843A patent/CN101552159B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1170299C (en) * | 2000-03-06 | 2004-10-06 | 富士电机株式会社 | Circuit breaker |
| CN1822277A (en) * | 2005-02-16 | 2006-08-23 | 富士电机机器制御株式会社 | Circuit breaker |
| CN1988096A (en) * | 2005-12-21 | 2007-06-27 | 三菱电机株式会社 | Circuit breaker |
| CN101055821A (en) * | 2006-04-14 | 2007-10-17 | 富士电机机器制御株式会社 | Circuit breaker |
| DE102006059307B3 (en) * | 2006-12-15 | 2008-02-21 | Moeller Gmbh | Electrical switching device e.g. power switch and separation switch, has auxiliary axle inserted for formation of device as one-way circuit breaker, where upper and lower levers are connected with each other by axle in flexible manner |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2107588A2 (en) | 2009-10-07 |
| CN101552159A (en) | 2009-10-07 |
| EP2107588B1 (en) | 2016-06-08 |
| JP4821793B2 (en) | 2011-11-24 |
| EP2107588A3 (en) | 2010-12-29 |
| JP2009245731A (en) | 2009-10-22 |
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