CN102655066A - High-breaking-capacity energy-storage-type biaxial miniature circuit breaker - Google Patents
High-breaking-capacity energy-storage-type biaxial miniature circuit breaker Download PDFInfo
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- CN102655066A CN102655066A CN2012100994361A CN201210099436A CN102655066A CN 102655066 A CN102655066 A CN 102655066A CN 2012100994361 A CN2012100994361 A CN 2012100994361A CN 201210099436 A CN201210099436 A CN 201210099436A CN 102655066 A CN102655066 A CN 102655066A
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- arc
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- circuit breaker
- miniature circuit
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Abstract
The invention relates to a high-breaking-capacity energy-storage-type biaxial miniature circuit breaker, which is characterized in that an operating mechanism comprises a handle, a jump pin, a lock pin, a lever, a moving contact seat and an energy storage component; the jump pin is linked with the handle through a connecting rod, the lock pin is meshed with the jump pin, and the moving contact seat is provided with a moving contact; a lever shaft and a contact shaft are fixed between two inner side walls of a shell, a torsional spring, the energy storage component, the lever and the lock pin are sequentially hinged on the lever shaft, the moving contact seat is hinged on the contact shaft, a spring connecting rod is arranged between the lever and the moving contact seat, and a contact spring is sleeved outside the spring connecting rod; the operating mechanism also comprises a return spring, one end of the return spring is fixed on the lever, and the other end of the return spring is fixed on a magnetic yoke; and the energy storage component comprises a first tail end and a second tail end, the handle is provided with a raised part, the first tail end is matched and linked with the raised part, the moving contact seat is provided with a polygon, and the polygon is used for limiting the rotation of the second tail end under the action of the raised part. According to the invention, the rotation angle of the moving contact seat is increased, and the open clearance of the circuit breaker is also increased, thereby prolonging the service life of the circuit breaker.
Description
Technical field
The present invention relates to a kind of high breaking energy storage twin shaft miniature circuit breaker.
Background technology
In order to guarantee the reliability service of circuit breaker, the mechanical property of circuit breaker is very important.Guaranteeing arc control device in normal operation, improving the mechanical property of circuit breaker and can set about: one, suitably improve the contact contact pressure, make good electrical contact between dynamic/static contact, and make its contact resistance be less than setting from following; Two, improve breaking capacity, can reduce the arcing time, prolong the electricapparatus life-span of circuit breaker.China's utility model patent number is a kind of high breaking energy storage twin shaft miniature circuit breaker of 97248479; Proposition is embedded in the curve limiting section on the handle attachment between axle and the handle through cover; Rub with the arc surface on the movable contact headstock; Thereby moving contact is suspended in a certain position, and when crossing a certain extreme position, the moving contact toilet drives moving contact and pushes ahead fast.Adopt this structure, though improved the closed speed of dynamic/static contact in a way,, its effect is limited, and the while is very little for the raising influence of the breaking capacity of circuit breaker.
Summary of the invention
The objective of the invention is to overcome the defective of prior art, quick-make of a kind of ability and disjunction dynamic/static contact are provided, guarantee to have the high breaking energy storage twin shaft miniature circuit breaker of enough contact contact pressures and breaking capacity.
For realizing above-mentioned purpose; The present invention adopts a kind of like this high breaking energy storage twin shaft miniature circuit breaker; Comprise housing and be arranged at operating mechanism, instantaneous release, bimetal leaf, run-on tab and the arc control device in the inner chamber with clamp; Described operating mechanism comprise handle, the tripping through the interlock of connecting rod and described handle, with meshing snap close, lever, the movable contact headstock that is provided with moving contact and the energy storage part of described tripping, truck dead lever axle and contact axle between the both sides inwall of described housing, hinged successively torsion spring, described energy storage part, described lever and described snap close on described lever shaft; Place latch spring in the groove of described snap close; Described movable contact headstock is hinged on the described contact axle, is provided with spring link between described lever and the described movable contact headstock, and described spring link is with touch spring outward; Described operating mechanism also comprises a return spring; One end of described return spring is fixed in described lever, and the other end of described return spring is fixed in the yoke in the described instantaneous release, and described energy storage part comprises first terminal and second end; Described handle is provided with jut; Described first end cooperates interlock with described jut, and described movable contact headstock is provided with gengon, and described gengon is in order to be limited in the rotation of described second end under the described jut effect.
Especially; Described snap close is provided with arc groove, is fixed with draw-bar seat on the described housing, and described draw-bar seat is provided with annular breach; Described two golden pull bar has hook portion and pushed section, and described hook portion and described pushed section are set up in described arc groove and described annular breach respectively.
Especially, described housing offers first steam vent in the position, back, top that is positioned at described arc control device, and described housing offers second steam vent in the position, back, bottom that is positioned at described arc control device.
Especially, described fixed contact is positioned on the fixed contact arc, and described fixed contact arc extends to the top of arc control device, and described fixed contact arc and described run-on tab are circular-arc.
Especially, in the both sides of described fixed contact arc, with described housing both sides inwall flash barrier is set abreast, described flash barrier adopts aerogenesis arc extinguishing plastics, and described flash barrier is provided with multiple tracks groove and convex tendon.
Especially, between described flash barrier and described housing both sides inwall, magnetic conductive board is set.
Through adopting above-mentioned structure, the invention has the beneficial effects as follows: in the rotation process of operating mechanism, the energy storage part withstands the movable contact headstock; The movable contact headstock is suspended in a certain position, continue driving handle, touch spring is storage of potential energy then; When handle promotes the energy storage part; The energy storage part is separated with the movable contact headstock, moving contact quick-make under the effect of touch spring, thus shortened the closing time of dynamic/static contact.In addition, compare, increased the movable contact head-turned angle with tradition; Also strengthened simultaneously the distance of opening of circuit breaker, when circuit breaker because of manually or during the fault disjunction, touch spring and return spring release potential energy; Dynamic/static contact is disjunction apace, elongates electric arc rapidly it is extinguished, and has prolonged the life-span of circuit breaker.
Description of drawings
Fig. 1 is the structure chart after the embodiment of the invention one high breaking energy storage twin shaft miniature circuit breaker removes cap;
Fig. 2 is the structure chart after the embodiment of the invention two high breaking energy storage twin shaft miniature circuit breakers remove cap;
Fig. 3 is in the operating mechanism of the embodiment of the invention one high breaking energy storage twin shaft miniature circuit breaker, the rotation of second end 122 of gengon 101 restriction energy storage parts 12, thereby the structural representation that touch spring 18 is compressed;
Fig. 4 is in the operating mechanism of the embodiment of the invention one high breaking energy storage twin shaft miniature circuit breaker, and second terminal 122 of energy storage part 12 breaks away from the restriction of gengon 101, and touch spring 18 discharges the structural representation of potential energy;
Fig. 5 is the stereogram of movable contact headstock and moving contact in the operating mechanism of the embodiment of the invention one high breaking energy storage twin shaft miniature circuit breaker;
Fig. 6 is the stereogram of two golden pull bars in the embodiment of the invention one high breaking energy storage twin shaft miniature circuit breaker;
Fig. 7 is the rearview of the housing pedestal of the embodiment of the invention one high breaking energy storage twin shaft miniature circuit breaker;
Fig. 8 is the sketch map of arc ignition system in the embodiment of the invention one high breaking energy storage twin shaft miniature circuit breaker;
Among the figure: 1, clamp; 2, bimetal leaf; 3, run-on tab; 4, arc control device; 5, handle; 51, jut; 6, connecting rod; 7, tripping; 8, snap close; 81, arc groove; 9, lever; 10, movable contact headstock; 101, gengon; 11, moving contact; 12, energy storage part; 121, first end; 122, second end; 13, lever shaft; 14, contact axle; 15, torsion spring; 16, latch spring; 17, spring link; 18, touch spring; 19, return spring; 20, housing; 201, first steam vent; 202, second steam vent; 21, draw-bar seat; 211, annular breach; 22, two golden pull bars; 221, hook portion; 222, pushed section; 23, fixed contact; 24, fixed contact arc; 26, instantaneous release; 261, yoke; 262, moving iron core; 263, push rod; 27, flash barrier; 271, groove; 272, convex tendon.
Embodiment
Like Fig. 1,2,3, shown in 4; A kind of high breaking energy storage twin shaft miniature circuit breaker comprises the housing 20 with clamp 1 and is arranged at operating mechanism, instantaneous release 26, bimetal leaf 2, run-on tab 3 and the arc control device 4 in the inner chamber, and operating mechanism comprises handle 5, the tripping 7 through connecting rod 6 and handle 5 interlocks, snap close 8, lever 9, the movable contact headstock 10 that be provided with moving contact 11 and the energy storage part 12 meshing with tripping 7; Truck dead lever axle 13 and contact axle 14 between the both sides inwall of housing 20; Hinged successively torsion spring 15, energy storage part 12, lever 9 and snap close 8 on lever shaft 13 are placed latch spring 16 in the groove of snap close 8, movable contact headstock 10 is hinged on the contact axle 14; Be provided with spring link 17 between lever 9 and the movable contact headstock 10; Be with touch spring 18 outside the spring link 17, operating mechanism also comprises a return spring 19, and an end of return spring 19 is fixed in lever 9; The other end of return spring 19 is fixed in the yoke 261 in the instantaneous release 26; Energy storage part 12 comprises that first terminal 121 and second is terminal 122, and handle 5 is provided with jut 51, the first ends 121 and cooperates interlock with jut 51; Movable contact headstock 10 is provided with gengon 101, and gengon 101 is in order to be limited in jut 51 effects second terminal 122 rotation down.
Like Fig. 1, shown in 5; Snap close 8 is provided with arc groove 81, is fixed with draw-bar seat 21 on the housing 20, and draw-bar seat 21 is provided with annular breach 211; Two golden pull bars 22 have hook portion 221 and pushed section 222, and hook portion 221 is set up in arc groove 81 and annular breach 211 respectively with pushed section 222.
Like Fig. 1, shown in 6, housing 20 offers first steam vent 201 in the position, back, top that is positioned at arc control device 4, and housing 20 offers second steam vent 202 in the position, back, bottom that is positioned at arc control device 4.During the circuit breaker disjunction, the high-temperature gas in the inner chamber promotes electric arc to arc control device 4 motions.Because of arc control device are provided with exhaust outlet in two ends about in the of 4, electric arc under the effect of air-blowing in arc control device 4 even arc extinguishing.
Like Fig. 1,7, shown in 8, fixed contact 23 is positioned on the fixed contact arc 24, and fixed contact arc 24 extends to the top of arc control device 4, and fixed contact arc 24 is circular-arc with run-on tab 3.Because fixed contact arc 24 is circular-arc with run-on tab 3, electric arc reduces dead time greatly, has improved the breaking capacity of circuit breaker.In the both sides of fixed contact arc 24, with housing 20 both sides inwalls flash barrier 27 is set abreast, flash barrier 27 adopts aerogenesis arc extinguishing plastics, and flash barrier 27 is provided with multiple tracks groove 271 and convex tendon 272.The surface area of aerogenesis arc extinguishing plastics increases, thereby has increased the gas production of flash barrier 27, and during electric arc process flash barrier 27, electric arc air-blowing effect strengthens.
Between flash barrier 27 and housing 20 both sides inwalls, magnetic conductive board is set.Magnetic conductive board has strengthened the electromagnetic field of arc channel position, thereby has strengthened the effect to the electric arc magnetic blow-out.
Operation principle of the present invention: when in the circuit overload or short circuit taking place; Bimetal leaf 2 bendings; Thereby promote push rod 263 through two golden pull bar 22 pulling snap closes 8 or moving iron core 262 and promote snap close 8 releases; Operating mechanism drives return under the effect of return spring 19 power, and product is in open position again.
In the rotation process of operating mechanism, energy storage part 12 withstands movable contact headstock 10, and movable contact headstock 10 is suspended in a certain position; Continue driving handle 5; 18 storage of potential energy of touch spring when handle 5 promotes energy storage part 12, make energy storage part 12 separate with movable contact headstock 10; Moving contact 11 quick-make under the effect of touch spring 18, thus the closing time of dynamic/static contact shortened.In addition, compare, increased the rotational angle of moving contact 11 with tradition; Also strengthened simultaneously the distance of opening of circuit breaker; When circuit breaker because of manually or during the fault disjunction, touch spring 18 discharges potential energy with return spring 19, dynamic/static contact is disjunction apace; Elongate electric arc rapidly it is extinguished, prolonged the life-span of circuit breaker.
Claims (10)
1. high breaking energy storage twin shaft miniature circuit breaker; Comprise housing and be arranged at operating mechanism, instantaneous release, bimetal leaf, run-on tab and the arc control device in the inner chamber with clamp; It is characterized in that: described operating mechanism comprise handle, the tripping through the interlock of connecting rod and described handle, with meshing snap close, lever, the movable contact headstock that is provided with moving contact and the energy storage part of described tripping, truck dead lever axle and contact axle between the both sides inwall of described housing, hinged successively torsion spring, described energy storage part, described lever and described snap close on described lever shaft; Place latch spring in the groove of described snap close; Described movable contact headstock is hinged on the described contact axle, is provided with spring link between described lever and the described movable contact headstock, and described spring link is with touch spring outward; Described operating mechanism also comprises a return spring; One end of described return spring is fixed in described lever, and the other end of described return spring is fixed in the yoke in the described instantaneous release, and described energy storage part comprises first terminal and second end; Described handle is provided with jut; Described first end cooperates interlock with described jut, and described movable contact headstock is provided with gengon, and described gengon is in order to be limited in the rotation of described second end under the described jut effect.
2. high breaking energy storage twin shaft miniature circuit breaker according to claim 1; It is characterized in that: described snap close is provided with arc groove; Be fixed with draw-bar seat on the described housing; Described draw-bar seat is provided with annular breach, and described two golden pull bars have hook portion and pushed section, and described hook portion and described pushed section are set up in described arc groove and described annular breach respectively.
3. high breaking energy storage twin shaft miniature circuit breaker according to claim 1 and 2; It is characterized in that: described housing offers first steam vent in the position, back, top that is positioned at described arc control device, and described housing offers second steam vent in the position, back, bottom that is positioned at described arc control device.
4. high breaking energy storage twin shaft miniature circuit breaker according to claim 1 and 2; It is characterized in that: described fixed contact is positioned on the fixed contact arc; Described fixed contact arc extends to the top of arc control device, and described fixed contact arc and described run-on tab are circular-arc.
5. high breaking energy storage twin shaft miniature circuit breaker according to claim 3; It is characterized in that: described fixed contact is positioned on the fixed contact arc; Described fixed contact arc extends to the top of arc control device, and described fixed contact arc and described run-on tab are circular-arc.
6. high breaking energy storage twin shaft miniature circuit breaker according to claim 1 and 2; It is characterized in that: in the both sides of described fixed contact arc; With described housing both sides inwall flash barrier is set abreast; Described flash barrier adopts aerogenesis arc extinguishing plastics, and described flash barrier is provided with multiple tracks groove and convex tendon.
7. high breaking energy storage twin shaft miniature circuit breaker according to claim 3; It is characterized in that: in the both sides of described fixed contact arc; With described housing both sides inwall flash barrier is set abreast; Described flash barrier adopts aerogenesis arc extinguishing plastics, and described flash barrier is provided with multiple tracks groove and convex tendon.
8. high breaking energy storage twin shaft miniature circuit breaker according to claim 4; It is characterized in that: in the both sides of described fixed contact arc; With described housing both sides inwall flash barrier is set abreast; Described flash barrier adopts aerogenesis arc extinguishing plastics, and described flash barrier is provided with multiple tracks groove and convex tendon.
9. high breaking energy storage twin shaft miniature circuit breaker according to claim 6 is characterized in that: between described flash barrier and described housing both sides inwall, magnetic conductive board is set.
10. high breaking energy storage twin shaft miniature circuit breaker according to claim 7 is characterized in that: between described flash barrier and described housing both sides inwall, magnetic conductive board is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100994361A CN102655066A (en) | 2012-03-31 | 2012-03-31 | High-breaking-capacity energy-storage-type biaxial miniature circuit breaker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100994361A CN102655066A (en) | 2012-03-31 | 2012-03-31 | High-breaking-capacity energy-storage-type biaxial miniature circuit breaker |
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| CN102655066A true CN102655066A (en) | 2012-09-05 |
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| CN2012100994361A Pending CN102655066A (en) | 2012-03-31 | 2012-03-31 | High-breaking-capacity energy-storage-type biaxial miniature circuit breaker |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103700548A (en) * | 2013-12-30 | 2014-04-02 | 温州奥来电器有限公司 | Inserted energy-storing high-breaking small breaker |
| CN104299864A (en) * | 2014-10-21 | 2015-01-21 | 加西亚电子电器有限公司 | Miniature circuit breaker |
| CN104701108A (en) * | 2015-03-26 | 2015-06-10 | 杭州泰姆电气有限公司 | Residual-current circuit breaker and releasing mechanism therefore |
| CN104779082A (en) * | 2014-01-13 | 2015-07-15 | 施耐德电器工业公司 | Electric contact device and low-voltage single-pole phase unit incorporating such an electrical contact device |
| CN103500691B (en) * | 2013-09-02 | 2015-07-22 | 浙江大华电气有限公司 | Run-on plate for strengthening self-excitation magnetic field intensity |
| CN104835699A (en) * | 2015-04-29 | 2015-08-12 | 浙江天正电气股份有限公司 | Circuit breaker with double moving contacts |
| CN104885176A (en) * | 2013-01-24 | 2015-09-02 | 伊顿公司 | Arc runners suitable for dc molded case circuit breakers and related methods |
| CN105762033A (en) * | 2016-04-27 | 2016-07-13 | 乐清市也为电气有限公司 | Moving contact operating mechanism for residual-current circuit breaker |
| CN105826143A (en) * | 2016-05-31 | 2016-08-03 | 乐清市也为电气有限公司 | Micro breaker |
| CN106548912A (en) * | 2015-09-22 | 2017-03-29 | 浙江正泰电器股份有限公司 | Chopper |
| CN107230586A (en) * | 2016-04-29 | 2017-10-03 | 上海良信电器股份有限公司 | A kind of miniature circuit breaker structure-improved |
| CN107230602A (en) * | 2016-04-29 | 2017-10-03 | 上海良信电器股份有限公司 | A kind of arc blow-out mechanism of miniature circuit breaker |
| CN107369593A (en) * | 2017-06-08 | 2017-11-21 | 李文杰 | A kind of operating mechanism of break protective switch |
| CN107706062A (en) * | 2017-11-06 | 2018-02-16 | 浙江人民电器有限公司 | A kind of miniature circuit breaker |
| CN110459443A (en) * | 2019-09-09 | 2019-11-15 | 温州东极电气有限公司 | A kind of fast reaction dual-interruption point breaker |
| CN117524757A (en) * | 2024-01-05 | 2024-02-06 | 浙江正泰电器股份有限公司 | Switch contact and plug-in circuit breaker |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101159208A (en) * | 2007-11-27 | 2008-04-09 | Tcl低压电器(无锡)有限公司 | Small circuit breaker mechanism |
| CN201112303Y (en) * | 2007-09-27 | 2008-09-10 | 温州奥来电器有限公司 | Accumulated energy type high subsection small circuit breaker |
| US7692632B2 (en) * | 2003-10-23 | 2010-04-06 | Beckmer Products, Inc. | Foot-operated computer input device |
| JP4769263B2 (en) * | 2008-03-06 | 2011-09-07 | パナソニック電工電路株式会社 | Circuit breaker |
| CN102184815A (en) * | 2011-05-16 | 2011-09-14 | 法泰电器（江苏）股份有限公司 | Circuit breaker arc striking device |
| CN102368461A (en) * | 2011-09-13 | 2012-03-07 | 上海诺雅克电气有限公司 | Miniature circuit breaker |
| CN202651014U (en) * | 2012-03-31 | 2013-01-02 | 温州奥来电器有限公司 | High breaking energy storage dual-axis miniature circuit breaker |
-
2012
- 2012-03-31 CN CN2012100994361A patent/CN102655066A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7692632B2 (en) * | 2003-10-23 | 2010-04-06 | Beckmer Products, Inc. | Foot-operated computer input device |
| CN201112303Y (en) * | 2007-09-27 | 2008-09-10 | 温州奥来电器有限公司 | Accumulated energy type high subsection small circuit breaker |
| CN101159208A (en) * | 2007-11-27 | 2008-04-09 | Tcl低压电器(无锡)有限公司 | Small circuit breaker mechanism |
| JP4769263B2 (en) * | 2008-03-06 | 2011-09-07 | パナソニック電工電路株式会社 | Circuit breaker |
| CN102184815A (en) * | 2011-05-16 | 2011-09-14 | 法泰电器（江苏）股份有限公司 | Circuit breaker arc striking device |
| CN102368461A (en) * | 2011-09-13 | 2012-03-07 | 上海诺雅克电气有限公司 | Miniature circuit breaker |
| CN202651014U (en) * | 2012-03-31 | 2013-01-02 | 温州奥来电器有限公司 | High breaking energy storage dual-axis miniature circuit breaker |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104885176A (en) * | 2013-01-24 | 2015-09-02 | 伊顿公司 | Arc runners suitable for dc molded case circuit breakers and related methods |
| CN104885176B (en) * | 2013-01-24 | 2017-11-17 | 伊顿公司 | Suitable for the arc chute and its correlation technique of DC molded case circuit breakers |
| CN103500691B (en) * | 2013-09-02 | 2015-07-22 | 浙江大华电气有限公司 | Run-on plate for strengthening self-excitation magnetic field intensity |
| CN103700548A (en) * | 2013-12-30 | 2014-04-02 | 温州奥来电器有限公司 | Inserted energy-storing high-breaking small breaker |
| CN104779082A (en) * | 2014-01-13 | 2015-07-15 | 施耐德电器工业公司 | Electric contact device and low-voltage single-pole phase unit incorporating such an electrical contact device |
| CN104299864A (en) * | 2014-10-21 | 2015-01-21 | 加西亚电子电器有限公司 | Miniature circuit breaker |
| CN104299864B (en) * | 2014-10-21 | 2016-01-27 | 加西亚电子电器有限公司 | Miniature circuit breaker |
| CN104701108A (en) * | 2015-03-26 | 2015-06-10 | 杭州泰姆电气有限公司 | Residual-current circuit breaker and releasing mechanism therefore |
| CN104835699A (en) * | 2015-04-29 | 2015-08-12 | 浙江天正电气股份有限公司 | Circuit breaker with double moving contacts |
| CN106548912A (en) * | 2015-09-22 | 2017-03-29 | 浙江正泰电器股份有限公司 | Chopper |
| CN105762033A (en) * | 2016-04-27 | 2016-07-13 | 乐清市也为电气有限公司 | Moving contact operating mechanism for residual-current circuit breaker |
| CN105762033B (en) * | 2016-04-27 | 2018-09-07 | 乐清市也为电气有限公司 | A kind of moving contact operating mechanism of leakage circuit breakers |
| CN107230586A (en) * | 2016-04-29 | 2017-10-03 | 上海良信电器股份有限公司 | A kind of miniature circuit breaker structure-improved |
| CN107230602A (en) * | 2016-04-29 | 2017-10-03 | 上海良信电器股份有限公司 | A kind of arc blow-out mechanism of miniature circuit breaker |
| CN105826143A (en) * | 2016-05-31 | 2016-08-03 | 乐清市也为电气有限公司 | Micro breaker |
| CN105826143B (en) * | 2016-05-31 | 2019-02-15 | 乐清市也为电气有限公司 | A kind of miniaturization breaker |
| CN107369593A (en) * | 2017-06-08 | 2017-11-21 | 李文杰 | A kind of operating mechanism of break protective switch |
| CN107369593B (en) * | 2017-06-08 | 2023-11-10 | 乐清市智顺电气有限公司 | Operating mechanism of circuit breaking protection switch |
| CN107706062A (en) * | 2017-11-06 | 2018-02-16 | 浙江人民电器有限公司 | A kind of miniature circuit breaker |
| CN110459443A (en) * | 2019-09-09 | 2019-11-15 | 温州东极电气有限公司 | A kind of fast reaction dual-interruption point breaker |
| CN117524757A (en) * | 2024-01-05 | 2024-02-06 | 浙江正泰电器股份有限公司 | Switch contact and plug-in circuit breaker |
| CN117524757B (en) * | 2024-01-05 | 2024-05-17 | 浙江正泰电器股份有限公司 | Switch contact and plug-in circuit breaker |
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Application publication date: 20120905 |