CN102646556B - A kind of device for under-voltage releasing equipment - Google Patents
A kind of device for under-voltage releasing equipment Download PDFInfo
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- CN102646556B CN102646556B CN201110041327.XA CN201110041327A CN102646556B CN 102646556 B CN102646556 B CN 102646556B CN 201110041327 A CN201110041327 A CN 201110041327A CN 102646556 B CN102646556 B CN 102646556B
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- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 230000008878 coupling Effects 0.000 claims description 20
- 238000010168 coupling process Methods 0.000 claims description 20
- 238000005859 coupling reaction Methods 0.000 claims description 20
- 230000000694 effects Effects 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 230000009471 action Effects 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The invention discloses a kind of device for under-voltage releasing equipment, comprise base, it is characterized in that being provided with connecting rod, the first torsion spring, the toggle be connected to form by Manual operation handle and kinematic link, rocking arm, the second torsion spring, snap close, tripping, push rod, rocker actuator and conducting system in described base, the striker of described electromagnetic relay contacts with described snap close.Device for under-voltage releasing equipment of the present invention is when device for under-voltage releasing equipment mechanical unlocking, and the operating mechanism main lever return of device for under-voltage releasing equipment drives the link motion of link gear, and connecting rod drives the mechanical unlocking of the circuit breaker assembled with device for under-voltage releasing equipment simultaneously; Otherwise when breaker mechanism is threaded off, breaker mechanism drives the link motion in device for under-voltage releasing equipment link gear, connecting rod drives the tripping mechanism of device for under-voltage releasing equipment to thread off simultaneously, thus achieves the interlock between device for under-voltage releasing equipment mechanism and breaker mechanism.Owing to mutually linking between device for under-voltage releasing equipment mechanism and breaker mechanism, a circuit breaker can reliable assembled multiple release.
Description
Technical field
The present invention relates to Low Voltage Electrical Apparatus, particularly relate to a kind of can with DZ47 miniature circuit breaker with the use of device for under-voltage releasing equipment.
Background technology
Device for under-voltage releasing equipment be mainly used as Line under-voltage protection, with DZ47-60 miniature circuit breaker with the use of, reach following control object: when voltage is less than 30% rated voltage, guarantee that circuit breaker can not close; Closed during certain particular value in the 35%-70% range of nominal tension of voltage, produce during its residual value and thread off, make circuit breaker trip and keep not closing; Voltage low pressure trip device in the 85%-105% range of nominal tension is failure to actuate, and breaker closing keeps normal work.
In the market and DZ47-60 miniature circuit breaker with the use of device for under-voltage releasing equipment mainly there is following problem: can only single-way linkage between device for under-voltage releasing equipment mechanism and assembled breaker mechanism, and during circuit breaker disconnection, device for under-voltage releasing equipment return can only be driven by the restoring force of handle, when the assembled multiple release of circuit breaker, circuit breaker can not drive release to disconnect, and a circuit breaker can only an assembled accessory product.
Summary of the invention
The present invention is to solve the problems referred to above that prior art exists, aim to provide a kind of device for under-voltage releasing equipment realizing energy two-way linkage between device for under-voltage releasing equipment mechanism and assembled breaker mechanism.
For solving the problem, the present invention by the following technical solutions: a kind of device for under-voltage releasing equipment, comprises base, it is characterized in that being provided with in described base:
A connecting rod, is arranged in the groove of base, and described connecting rod has the first boss of linking with the operating mechanism of circuit breaker and the second boss with contact collaborative support, and the first described boss is protruding from the hole of base;
First torsion spring, is arranged on base, one end and base contacts, and the other end acts on described connecting rod;
The toggle be connected to form by a Manual operation handle and a kinematic link, described handle is arranged on the first cylindrical shape boss of described base, can rotate around the first cylindrical boss;
A rocking arm, is coupling on described base, and one end and described operating grip connect to form quadric chain, the other end by axle and contact support and lever coaxial hinged;
Second torsion spring is arranged on the convex axle of base, and the second described one end and base convex is coupling tactile, and the other end acts on contact and supports;
Be coupling a snap close on base and tripping, and a described snap close and tripping form the mechanical chain that can thread off;
An one end is cylinder, and the other end is that square push rod is arranged in the second groove of described base, to a direction motion, can be set with spring in the cylinder side of described push rod under the effect of described lever;
The rocker actuator on base that is coupling, two ends are oppositely disposed with the cylinder side of described push rod and described snap close respectively;
One by the molecular conducting system of wiring board, wire, electromagnetic relay and terminals, the striker of described electromagnetic relay contacts with described snap close.
Device for under-voltage releasing equipment of the present invention, the operating mechanism of device for under-voltage releasing equipment, tripping mechanism and link gear are housed in the enclosure, when device for under-voltage releasing equipment mechanical unlocking, the operating mechanism main lever return of device for under-voltage releasing equipment drives the link motion of link gear, and connecting rod drives the mechanical unlocking of the circuit breaker assembled with device for under-voltage releasing equipment simultaneously; Otherwise when breaker mechanism is threaded off, breaker mechanism drives the link motion in device for under-voltage releasing equipment link gear, connecting rod drives the tripping mechanism of device for under-voltage releasing equipment to thread off simultaneously, thus achieves the interlock between device for under-voltage releasing equipment mechanism and breaker mechanism.Owing to mutually linking between device for under-voltage releasing equipment mechanism and breaker mechanism, a circuit breaker can reliable assembled multiple release.
Device for under-voltage releasing equipment makes quadric chain thread off by the action of electromagnetic relay striker, cannot self-resetting after the striker action of magnetictrip, when release mechanical unlocking resets, by the effect of main lever spring, make snap close compress the striker of electromagnetic relay, electromagnetic relay electromagnetic mechanism is resetted.
Conducting system is connected with main circuit by binding post, and wiring board is connected with binding post, and monitoring main circuit change in voltage, electromagnetic relay is connected with wiring board.When main circuit voltage is greater than certain value, wiring board and the circuit triggers conducting of electromagnetic relay place, make the striker adhesive of electromagnetic relay, and device for under-voltage releasing equipment can reliably be closed; When main circuit voltage is less than certain value, wiring board and the circuit not conducting of electromagnetic relay place, make the striker of electromagnetic relay eject, and promotes operating mechanism and thread off, device for under-voltage releasing equipment can not be closed, thus reliably prevent device for under-voltage releasing equipment from closing at lower voltages.Electromagnetic relay resetting device makes electromagnetic relay striker reset, for the striker adhesive of electromagnetic relay is prepared simultaneously.
According to the present invention, described rocker actuator simple execution mode is employing rocking bar.Although this mode structure is the simplest, active force is difficult to control, and without buffering, thus has certain impulsive force to striker.
As a further improvement on the present invention, described rocker actuator comprises the first rocking bar, the 3rd torsion spring and second rocking bar of coaxial setting, first described rocking bar one end and the cylinder side of described push rod are oppositely disposed, the other end is connected with the 3rd described one end, the other end of described torsion spring is connected with second described rocking bar one end, and the other end and the described snap close of described second rocking bar are oppositely disposed.The reset force that this structure provides impacts little to electromagnetic relay reset, can improve the reliability of electromagnetic relay.
Further improve as of the present invention, described base is also provided with fixed head, described fixed head covers on described connecting rod and the first torsion spring, for fixing it.
Improve further as of the present invention, the first described torsion spring is arranged on the second cylinder boss of base, and one end contacts with base boss, and one end acts on connecting rod again.
The present invention also will provide a kind of shunt release, comprises base, it is characterized in that being provided with in described base:
A connecting rod, is arranged in the groove of base, and described connecting rod has the first boss of linking with the operating mechanism of circuit breaker and the second boss with contact collaborative support, and the first described boss is protruding from the hole of base;
First torsion spring, is arranged on base, one end and base contacts, and the other end acts on described connecting rod;
The toggle be connected to form by a Manual operation handle and a kinematic link, described handle is arranged on the first cylindrical shape boss of described base, can rotate around the first cylindrical boss;
A rocking arm, is coupling on described base, and one end and described operating grip connect to form quadric chain, the other end by axle and contact support and lever coaxial hinged;
Second torsion spring is arranged on the convex axle of base, and described one end and base convex is coupling tactile, and the other end acts on contact and supports;
Be coupling a snap close on base and tripping, and a described snap close and tripping form the mechanical chain that can thread off;
The rocker actuator on base that is coupling, two ends are oppositely disposed with the cylinder side of described push rod and described snap close respectively;
A moving contact and a pair fixed contact;
An electromagnetic system, the iron core of described electromagnetic system contacts with described snap close; Described electromagnetic system is electrically connected with the second fixed contact by wire;
Four junction blocks, wherein: the first junction block is electrically connected with described moving contact by wire, second junction block is electrically connected with the first fixed contact by wire, and the 3rd junction block is electrically connected with described electromagnetic system by wire, and the 4th junction block is electrically connected with the second fixed contact by wire.
Shunt release of the present invention, its operating mechanism, tripping mechanism are identical with above-mentioned device for under-voltage releasing equipment with operation principle with the structure of link gear, thus have same technique effect.Because shunt release adopts Long-distance Control, only the make-and-break signal of release need be exported by wire and corresponding junction block or applied control signal on corresponding junction block, therefore compare device for under-voltage releasing equipment, need not push rod and rocker actuator composition resetting device.
Accompanying drawing explanation
Fig. 1 is the structural representation of device for under-voltage releasing equipment of the present invention, removes part electromagnetic relay 22 in figure, and push rod is shown, and release place in normal operation.
Fig. 2 is the enlarged drawing of Fig. 1 base superstructure.
Fig. 3 is the right view of Fig. 1.
Fig. 4 is the structural representation of device for under-voltage releasing equipment of the present invention.
Fig. 5 is the structural representation of rocker actuator.
Fig. 6 is the structural representation of device for under-voltage releasing equipment of the present invention, mechanical return state when now release is in no power.
Fig. 7 is the structural representation of shunt release of the present invention.
Fig. 8 is the right view of Fig. 7.
Fig. 9 is the front view of Fig. 7.
Embodiment
With reference to Fig. 1-4, a kind of device for under-voltage releasing equipment of the present invention, comprises base 6, it is characterized in that being provided with in described base 6:
A connecting rod 17, is arranged in the groove 26 of base 6, and described connecting rod 17 has the first boss 24 linked with the operating mechanism of circuit breaker and the second boss 30 supporting 12 to link with contact, and the first described boss 24 is protruding from the hole of base 6;
First torsion spring 19, the first described torsion spring 19 is arranged on the second cylinder boss 25 of base 6, and one end contacts with base 6 boss 25, and one end acts on connecting rod 17;
A fixed head 18, described fixed head 18 covers on described connecting rod 17 and the first torsion spring 19, for fixing it;
The toggle be connected to form by a Manual operation handle 8 and a kinematic link 9, described handle 8 is arranged on the first cylindrical shape boss 27 of described base 6, can rotate around the first cylindrical boss 27;
A rocking arm 15, is coupling on described base 6, and one end and described operating grip 8 connect to form quadric chain, the other end by axle 14 and contact support 12 and lever 13 coaxially hinged;
Second torsion spring 16 is arranged on the convex axle 28 of base 6, and described torsion spring 16 one end contacts with the convex axle 28 of base 6, and the other end acts on contact and supports on 12;
Be coupling a snap close 7 on base 6 and tripping 10, and a described snap close 7 and tripping 10 form the mechanical chain that can thread off;
An one end is cylinder, and the other end is that square push rod 2 is arranged in the second groove 29 of described base 6, to a direction motion, can be set with spring 1 in the cylinder side of described push rod 2 under the effect of described lever 13;
A rocker actuator be coupling on base 6, two ends are oppositely disposed with the cylinder side of described push rod 2 and described snap close 7 respectively;
A conducting system be made up of wiring board 20, wire 21, electromagnetic relay 22 and binding post 23, the striker 31 of described electromagnetic relay 22 contacts with described snap close 7.
With reference to Fig. 5, described rocker actuator comprises coaxial the first rocking bar 3, one the 3rd torsion spring 4 and the second rocking bar 5 of arranging, first described rocking bar 3 one end and the cylinder side of described push rod 2 are oppositely disposed, the other end is connected with described 3rd torsion spring 4 one end, the other end of described 3rd torsion spring 4 is connected with second described rocking bar 5 one end, and the other end and the described snap close 7 of described second rocking bar 5 are oppositely disposed.
The conducting system of device for under-voltage releasing equipment is connected with main circuit by binding post 23, wiring board 20 is connected with binding post 23, monitoring main circuit change in voltage, electromagnetic relay 22 is connected with wiring board 20, when the terminal voltage of device for under-voltage releasing equipment is less than certain value, wiring board 20 and the circuit not conducting of electromagnetic relay 22 place, the striker of electromagnetic relay 22 is ejected, promote snap close 7 clockwise direction to rotate, tripping 10 and snap close 7 are threaded off, tripping 10 is counterclockwise rotated, and then make tripping 10 and contact support 12 to thread off, make the lever 13 that connects together with contact support 12 under the action of the spring 16 clockwise direction rotate, contact support 12 is simultaneously moved right by the boss drivening rod 17 of connecting rod 17, on connecting rod 17, the boss in protuberate basic unit 6 hole drives the breaker mechanism assembled with device for under-voltage releasing equipment to thread off, thus cut-out main circuit.Otherwise, when the breaker mechanism assembled with device for under-voltage releasing equipment is threaded off, breaker mechanism drivening rod 17 moves right, connecting rod 17 boss drives snap close 7 clockwise direction to rotate, the operating mechanism of device for under-voltage releasing equipment is threaded off, thus achieve and reliably can prevent device for under-voltage releasing equipment and breaker closing assembled with it at lower voltages, also achieve the interlock of the operating mechanism of device for under-voltage releasing equipment and the operating mechanism of circuit breaker simultaneously, make a circuit breaker can reliable assembled multiple release.
With reference to Fig. 6, after device for under-voltage releasing equipment operating mechanism is threaded off, handle 8 counterclockwise rotates under the action of the spring, rocking arm 15 clockwise direction is driven to rotate by the kinematic link 9 hinged with handle 8, the contact support 12 that coaxially connects together with rocking arm 15 and lever 13 are resetted, simultaneously, spring 16 acts on contact and supports on the boss of 12, the lever 13 coaxially connected together with contact support 12 is made to produce a clockwise reply moment of torsion, lever 13 boss promotes push rod 2 to left movement, push rod 2 promotes rocking bar 3 and rotates around axle clockwise direction, rocking bar 3 drives rocking bar 5 to rotate around axle clockwise direction by spring 4, promote snap close 7 counterclockwise to rotate around axle, the striker promoting electromagnetic relay 22 resets, when rocking bar 5 sway promote snap close 7 electromagnetic relay striker is resetted completely time, rocking bar 5 stops operating, rocking bar 3 continues to rotate clockwise around axle under push rod 2 acts on, spring 4 between rocking bar 3 and rocking bar 5 is out of shape, make rocking bar 5 act on power on electromagnetic relay striker for spring 4 by snap close 7 and be out of shape the power produced, thus make electromagnetic relay 22 avoid bearing too large impulsive force and damage, improve the operating reliability of electromagnetic relay.After the striker of electromagnetic relay resets completely, the electromagnetic system of magnetictrip 22 is in reset mode, for the electromagnetic system adhesive next time of electromagnetic relay is prepared.With reference to Fig. 4, when the control end voltage of device for under-voltage releasing equipment is greater than certain value, when the operating mechanism of device for under-voltage releasing equipment closes, push rod 2 to left movement, makes rocking bar separate with snap close 7 under the effect of spring 1.Spring 2 also can have when lever 13 clashes into push rod 2 play cushioning effect when the operating mechanism of device for under-voltage releasing equipment resets.
With reference to Fig. 7-9, the present invention also will provide a kind of shunt release, comprises base 6, it is characterized in that being provided with in described base 6:
A connecting rod 17, is arranged in the groove 26 of base 6, and described connecting rod 17 has the first boss 24 linked with the operating mechanism of circuit breaker and the second boss 30 supporting 12 to link with contact, and the first described boss 24 is protruding from the hole of base 6;
First torsion spring 19, be arranged on base 6, one end contacts with base 6, and the other end acts on described connecting rod 17;
The toggle be connected to form by a Manual operation handle 8 and a kinematic link 9, described handle 8 is arranged on the first cylindrical shape boss 27 of described base 6, can rotate around the first cylindrical boss 27;
A rocking arm 15, is coupling on described base 6, and one end and described operating grip 8 connect to form quadric chain, the other end by axle 14 and contact support 12 and lever 13 coaxially hinged;
Second torsion spring 16 is arranged on the convex axle 28 of base 6, and described torsion spring 16 one end contacts with the convex axle 28 of base 6, and the other end acts on contact and supports on 12;
Be coupling a snap close 7 on base 6 and tripping 10, and a described snap close 7 and tripping 10 form the mechanical chain that can thread off;
A rocker actuator be coupling on base 6, two ends are oppositely disposed with the cylinder side of described push rod 2 and described snap close 7 respectively;
A moving contact 32 and a pair fixed contact 33,34;
An electromagnetic system 35, the iron core of described electromagnetic system 35 contacts with described snap close 7; Described electromagnetic system 35 is electrically connected with the second fixed contact 34 by wire 10;
Four junction blocks 43,44,45,46, wherein: the first junction block 43 is electrically connected with described moving contact 32 by wire 48, second junction block 46 is electrically connected with the first fixed contact 33 by wire 42,3rd junction block 44 is electrically connected with described electromagnetic system 35 by wire 47, and the 4th junction block 45 is electrically connected with the second fixed contact 34 by wire 41.
With reference to Fig. 9, when shunt release mechanism is in off-state, support 12 to drive lower moving contact 32 contact and fixed contact 33 contact at contact, junction block 13 place terminal forms loop, junction block 46 place terminal output feedback signal by wire 42 and junction block 46 place terminal; With reference to Fig. 7, when release mechanism is in closure state, 12 are supported to drive lower moving contact 32 contact and fixed contact 34 contact at contact, junction block 43 place terminal forms loop by wire 47, electromagnetic system 35, wire 40, moving contact 32, fixed contact 34, wire 41, junction block 44, when applying signal at junction block 43 place terminal and junction block 44 place terminal, iron core action in electromagnetic system 53, promotion operating mechanism is threaded off, release operating mechanism drives the breaker actuation assembled with release by connecting rod, thus realizes shunt opening tripping function.When release mechanism is in closure state, junction block 45 place terminal forms loop by wire 41, fixed contact 34, moving contact 32, wire 48, junction block 43, junction block 46 place terminal output feedback signal.
It is understood that above-described embodiment is just to explanation of the present invention, instead of limitation of the present invention, any innovation and creation do not exceeded in spirit of the present invention, all fall within protection scope of the present invention.
Claims (5)
1. a device for under-voltage releasing equipment, comprises base (6), it is characterized in that being provided with in described base (6):
A connecting rod (17), be arranged in the groove (26) of base (6), described connecting rod (17) has the first boss (24) linked with the operating mechanism of circuit breaker and the second boss (30) linked with contact support (12), and described the first boss (24) is protruding from the hole of base (6);
First torsion spring (19), be arranged on base (6), one end contacts with base (6), and the other end acts on described connecting rod (17);
The toggle be connected to form by a Manual operation handle (8) and a kinematic link (9), described handle (8) is arranged on first cylindrical boss (27) of described base (6), can rotate around the first cylindrical boss (27);
A rocking arm (15), be coupling on described base (6), one end and described operating grip (8) connect to form quadric chain, and it is coaxially hinged that the other end passes through axle (14) and contact support (12) and lever (13);
Second torsion spring (16) is arranged on the convex axle (28) of base (6), described the second torsion spring (16) one end contacts with the convex axle (28) of base (6), and the other end acts in contact support (12);
Be coupling a snap close (7) on base (6) and tripping (10), and a described snap close (7) and tripping (10) form the mechanical chain that can thread off;
An one end is cylinder, the other end is that square push rod (2) is arranged in second groove (29) of described base (6), to a direction motion, spring (1) can be set with in the cylinder side of described push rod (2) under the effect of described lever (13);
A rocker actuator be coupling on base (6), two ends are oppositely disposed with the cylinder side of described push rod (2) and described snap close (7) respectively;
A conducting system be made up of wiring board (20), wire (21), electromagnetic relay (22) and binding post (23), the striker (31) of described electromagnetic relay (22) contacts with described snap close (7).
2. device for under-voltage releasing equipment as claimed in claim 1, it is characterized in that described rocker actuator comprises the first rocking bar (3), the 3rd torsion spring (4) and second rocking bar (5) of coaxial setting, described the first rocking bar (3) one end and the cylinder side of described push rod (2) are oppositely disposed, the other end is connected with the 3rd described torsion spring (4) one end, the other end of described 3rd torsion spring (4) is connected with described the second rocking bar (5) one end, and the other end and the described snap close (7) of described second rocking bar (5) are oppositely disposed.
3. device for under-voltage releasing equipment as claimed in claim 1, it is characterized in that described base (6) is also provided with fixed head (18), described fixed head (18) covers on described connecting rod (17) and the first torsion spring (19), for fixing it.
4. device for under-voltage releasing equipment as claimed in claim 1, it is characterized in that described the first torsion spring (19) is arranged on second cylinder boss (25) of base (6), one end contacts with second cylinder boss (25) of base (6), and one end acts on connecting rod (17).
5. a shunt release, comprises base (6), it is characterized in that being provided with in described base (6):
A connecting rod (17), be arranged in the groove (26) of base (6), described connecting rod (17) has the first boss (24) linked with the operating mechanism of circuit breaker and the second boss (30) linked with contact support (12), and described the first boss (24) is protruding from the hole of base (6);
First torsion spring (19), be arranged on base (6), one end contacts with base (6), and the other end acts on described connecting rod (17);
The toggle be connected to form by a Manual operation handle (8) and a kinematic link (9), described handle (8) is arranged on first cylindrical boss (27) of described base (6), can rotate around the first cylindrical boss (27);
A rocking arm (15), be coupling on described base (6), one end and described operating grip (8) connect to form quadric chain, and it is coaxially hinged that the other end passes through axle (14) and contact support (12) and lever (13);
Second torsion spring (16) is arranged on the convex axle (28) of base (6), described the second torsion spring (16) one end contacts with the convex axle (28) of base (6), and the other end acts in contact support (12);
Be coupling a snap close (7) on base (6) and tripping (10), and a described snap close (7) and tripping (10) form the mechanical chain that can thread off;
A rocker actuator be coupling on base (6), two ends are oppositely disposed with the cylinder side of a push rod (2) and described snap close (7) respectively;
A moving contact (32) and a pair fixed contact (33,34);
An electromagnetic system (35), the iron core of described electromagnetic system (35) contacts with described snap close (7);
Described electromagnetic system (35) is electrically connected with the second fixed contact (34) by wire (40);
Four junction blocks (43,44,45,46), wherein: the first junction block (43) is electrically connected with described moving contact (32) by wire (48), second junction block (46) is electrically connected with the first fixed contact (33) by wire (42), 3rd junction block (44) is electrically connected with described electromagnetic system (35) by wire (47), and the 4th junction block (45) is electrically connected with the second fixed contact (34) by wire (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110041327.XA CN102646556B (en) | 2011-02-18 | 2011-02-18 | A kind of device for under-voltage releasing equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110041327.XA CN102646556B (en) | 2011-02-18 | 2011-02-18 | A kind of device for under-voltage releasing equipment |
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| CN102646556A CN102646556A (en) | 2012-08-22 |
| CN102646556B true CN102646556B (en) | 2015-12-30 |
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| CN201110041327.XA Active CN102646556B (en) | 2011-02-18 | 2011-02-18 | A kind of device for under-voltage releasing equipment |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5971584B2 (en) * | 2012-04-09 | 2016-08-17 | パナソニックＩｐマネジメント株式会社 | Circuit breaker external trip device |
| CN103280384B (en) * | 2013-06-02 | 2015-08-05 | 浙江正泰电器股份有限公司 | Device for under-voltage releasing equipment |
| JP2014241212A (en) * | 2013-06-11 | 2014-12-25 | パナソニックＩｐマネジメント株式会社 | Circuit breaker |
| CN106601560B (en) * | 2017-03-01 | 2018-06-08 | 厦门宏发开关设备有限公司 | A kind of breaker assembly accessories apparatus |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202111032U (en) * | 2011-02-18 | 2012-01-11 | 浙江正泰电器股份有限公司 | Under-voltage release and shunt release |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2690563B1 (en) * | 1992-04-23 | 1997-05-09 | Merlin Gerin | PLUG-IN CIRCUIT BREAKER WITH MOLDED HOUSING. |
| CN2349664Y (en) * | 1998-12-01 | 1999-11-17 | 上海第三开关厂 | Modularized miniature circuit break |
| JP2002352693A (en) * | 2001-05-28 | 2002-12-06 | Fuji Electric Co Ltd | Electromagnetic trip device for circuit breaker |
| CN201298515Y (en) * | 2008-09-17 | 2009-08-26 | 青田奥来电器有限公司 | Overload protection electronic miniature current leakage breaker |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202111032U (en) * | 2011-02-18 | 2012-01-11 | 浙江正泰电器股份有限公司 | Under-voltage release and shunt release |
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