CN2938385Y - Leakage circuit breaker - Google Patents

Leakage circuit breaker Download PDF

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Publication number
CN2938385Y
CN2938385Y CNU2006200448930U CN200620044893U CN2938385Y CN 2938385 Y CN2938385 Y CN 2938385Y CN U2006200448930 U CNU2006200448930 U CN U2006200448930U CN 200620044893 U CN200620044893 U CN 200620044893U CN 2938385 Y CN2938385 Y CN 2938385Y
Authority
CN
China
Prior art keywords
lever
tripping
circuit breaker
current circuit
residual current
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CNU2006200448930U
Other languages
Chinese (zh)
Inventor
何邦权
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Dingwei Technology Co., Ltd.
Original Assignee
Zhejiang Provice Zhiming Electric Imp & Exp Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Provice Zhiming Electric Imp & Exp Co Ltd filed Critical Zhejiang Provice Zhiming Electric Imp & Exp Co Ltd
Priority to CNU2006200448930U priority Critical patent/CN2938385Y/en
Priority to PCT/CN2006/002721 priority patent/WO2008022494A1/en
Priority to DE602006018541T priority patent/DE602006018541D1/en
Priority to EP06791265A priority patent/EP2061061B1/en
Priority to AT06791265T priority patent/ATE489720T1/en
Application granted granted Critical
Publication of CN2938385Y publication Critical patent/CN2938385Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/40—Combined electrothermal and electromagnetic mechanisms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
    • 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
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/14—Electrothermal mechanisms
    • H01H71/16—Electrothermal mechanisms with bimetal element
    • 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
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2463—Electromagnetic mechanisms with plunger type armatures
    • 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
    • H01H73/48—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 having both electrothermal and electromagnetic automatic release
    • H01H73/50—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 having both electrothermal and electromagnetic automatic release reset by lever
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
    • H01H83/22—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages
    • H01H83/226—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages with differential transformer
    • 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

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Keying Circuit Devices (AREA)

Abstract

A residual current circuit breaker comprises a housing, a trip mechanism of residual current circuit breaker and a double-metal system, it is characterized in that the trip mechanism of the residual current circuit breaker consists of a breaker trip mechanism and a leakage trip mechanism, the lever A of the breaker trip mechanism and the lever B of the leakage trip mechanism are connected through a lever connecting shaft to form a trip mechanism with upper and lower layers; one of the double-metal sheet of the double-metal system is connected with one end of a double-metal connecting rod forming a L shape, the other end of the double-metal connecting rod is connected with shackle A of the breaker trip mechanism. The trip mechanism of the utility model is simple in structure, the shackle and the jump buckle adopt the same material, which is hard to deform and good in stability; a soft connector is used between a double-metal electric slice and a patch board, thus the double-metal electric slice will not shift; the utility model is stable in performance, flexible in tripping, reliable in disjunction, easy to assemble and cost-saving.

Description

Residual current circuit breaker
Technical field
The utility model relates to a kind of residual current circuit breaker, particularly a kind of residual current circuit breaker that integrates overload protection, short-circuit protection and earth leakage protective.
Background technology
Metal material is adopted in the tripping of circuit breaker in the traditional product at present, and snap close adopts plastic material, and it is bigger that the material of two kinds of different in kinds impacts friction to snap close, and the snap close easy deformation influences the stability of mechanism performance and the life-span of product; Traditional electrical leakage tripping device complex structure easily causes handle not close, thread off when leaking electricity and take off not open when cooperating with miscellaneous part, cost is also higher; Adopt the welding of hardboard material between traditional two golden conducting strip and the terminal block, cause bimetal leaf to be shifted easily in the time of when external wire and fixedly, have a strong impact on the accuracy of product; The rated current of traditional product has only 6-40A, and breaking capacity is hanged down and had only 6KA, non-contact positioning indicator.
Summary of the invention
The purpose of this utility model is to provide a kind of earth leakage protective device that integrates overload protection, short-circuit protection and earth leakage protective.For solving above-mentioned technical problem, the utility model provides a kind of residual current circuit breaker, comprise shell, residual current circuit breaker tripping mechanism, two golden system, described residual current circuit breaker tripping mechanism, be made up of breaker tripping mechanism and electrical leakage tripping device, the lever A of breaker tripping mechanism and the lever B of electrical leakage tripping device are connected to form bilevel tripping mechanism by the lever connecting axle; Described two golden system, an end of an end of its bimetal leaf and two golden connecting rods connects and composes the shape of L type, and the other end of two golden connecting rods is connected with the snap close A of breaker tripping mechanism.
Described breaker tripping mechanism, its handle is connected with an end of handle and connecting rod, the other end of handle and connecting rod links to each other with tripping A, state indication piece, be connected with lever A, moving contact A with the snap close A that tripping A locks mutually, moving contact A links to each other with the end of spring A, and the other end of spring A is fixed on the pin of shell, is connected with two golden systems by line with the corresponding fixed contact A of moving contact A, breaker tripping mechanism is provided with electromagnetic system in addition, is provided with iron core and push rod in the electromagnetic system.
Described electrical leakage tripping device, its lever B is connected with moving contact B, the end of lever B and the long arm end of restoring lever near, be connected with wire frame by line with the corresponding fixed contact B of moving contact B, be fixed with tripping B on the pin of shell, snap close B and beat reseting plate, the galianconism end of restoring lever and snap close B one end interlock, the end of the snap close B other end and tripping B (26) interlocks, the other end of tripping B near beat the movable end of reseting plate, electrical leakage tripping device is provided with a magnet ring in addition, the output line of magnet ring links to each other with release, is provided with the release push rod in the release.
Between two golden conducting strips and terminal block, adopt soft coupling block to be connected.
Superior effect of the present utility model is:
1) tripping of the present utility model and snap close adopt high strength, high temperature resistant, synthetic plastic that anti-wear performance is good, can avoid the snap close distortion, can prolong the stability and the life-span of tripping mechanism performance;
2) residual current circuit breaker tripping mechanism of the present utility model is simple in structure, and stable performance is threaded off flexibly, and the disjunction reliable in action is easily assembled and saved cost and raise the efficiency;
3) adopt soft coupling block between two golden conducting strip of the present utility model and the terminal block, easy for installation, when external wire, can not cause the displacement of bimetallic conducting strip, obviously improved stability;
4) the utility model compact conformation, volume is little, and is in light weight, flexible operation, have N extremely neutrality cut-off, the contact state deixis is convenient to discern contact contact situation.Dual binding post can use bus row, and the terminal screw moment of torsion of compound groove is big, the wiring jail.The utility model dependable performance, high in technological content.
5) the utility model be applicable to exchange 50Hz, rated voltage to 230V, rated current to the circuit of 63A, breaking capacity 10KA, and have the contact state indicating device, there is difunctional binding post both sides, can connect bus row and single condctor simultaneously, the wiring ability is strong.Can make short circuit, electric leakage and overload protection, to prevent because of line electrical leakage or electric shock breaking out of fire or personnel casualty accidents.
Description of drawings
Fig. 1 is a Facad structure schematic diagram of the present utility model;
Fig. 2 is the structure rearview of Fig. 1;
Fig. 3 is the structural representation of the utility model lever coupling spindle;
Fig. 4 (comprising Fig. 4 A and Fig. 4 B) is the forward and backward schematic diagram of breaker tripping mechanism closure state of the present utility model;
Fig. 5 (comprising Fig. 5 A and Fig. 5 B) is the forward and backward schematic diagram of electrical leakage tripping device closure state of the present utility model;
Fig. 6 is the connection diagram of two golden conducting strips of the utility model and terminal block.
Label declaration in the accompanying drawing
The 1-shell; The 2-electromagnetic system; The 3-push rod;
The 4-handle; The 5-handle and connecting rod; 6-snap close A;
7-tripping A; 8-state indication piece; 9-lever coupling spindle;
10-lever A; 11-moving contact A; 12-fixed contact A;
The 13-extension spring; The two golden connecting rods of 14-; The 15-bimetal leaf;
The 16-screw; The two golden conducting strips of 17-; The soft coupling block of 18-;
The 19-terminal block; The 20-wire frame; 21-moving contact B;
22-fixed contact B; 23-lever B; The 24-restoring lever;
25-snap close B; 26-tripping B; 27-beat reseting plate;
The 28-test button; Pin on the 29-snap close A; 30-release push rod;
The 31-release; The 32-magnet ring.
Embodiment
Shown in accompanying drawing, the utility model is further described.The utility model provides a kind of residual current circuit breaker, comprise shell (1), residual current circuit breaker tripping mechanism, two golden system, described residual current circuit breaker tripping mechanism, be made up of breaker tripping mechanism and electrical leakage tripping device, the lever A (10) of breaker tripping mechanism and the lever B (23) of electrical leakage tripping device are connected to form bilevel tripping mechanism by lever connecting axle (9); Described two golden system, an end of an end of its bimetal leaf (15) and two golden connecting rods (14) connects and composes the shape of L type, and the other end of two golden connecting rods (14) is connected with the snap close A (6) of breaker tripping mechanism.
Described breaker tripping mechanism, its handle (4) is connected with an end of handle and connecting rod (5), the other end of handle and connecting rod (5) and tripping A (7), state indication piece (8) links to each other, snap close A (6) that locks mutually with tripping A (7) and lever A (10), moving contact A (11) connects, moving contact A (11) links to each other with the end of spring A (13), the other end of spring A (13) is fixed on the pin of shell (1), be connected with two golden systems by line with the corresponding fixed contact A of moving contact A (11) (12), breaker tripping mechanism is provided with electromagnetic system (2) in addition, is provided with iron core and push rod (3) in the electromagnetic system (2).
Described electrical leakage tripping device, its lever B (23) is connected with moving contact B (21), the long arm end of the end of lever B (23) and restoring lever (24) near, be connected with wire frame (20) by line with the corresponding fixed contact B of moving contact B (21) (22), be fixed with tripping B (26) on the pin of shell (1), snap close B (25) and beat reseting plate (27), the galianconism end of restoring lever (24) and snap close B (25) one ends interlock, the end of snap close B (25) other end and tripping B (26) interlocks, the other end of tripping B (26) near beat the movable end of reseting plate (27), electrical leakage tripping device is provided with a magnet ring (32) in addition, the output line of magnet ring (32) links to each other with release (31), is provided with release push rod (30) in the release (31).
Between two golden conducting strips (17) and terminal block (19), adopt soft coupling block (18) to be connected.
See also shown in accompanying drawing 4A and the accompanying drawing 4B, the operation principle of breaker tripping mechanism of the present utility model from the initial condition to the closing course is described, handle (4) is operation upwards, driving handle and connecting rod (5) rotates, handle and connecting rod (5) links to each other with tripping A (7), because the impetus of handle and connecting rod (5), tripping A (7) and snap close A (6) interlock, tripping A (7) drives the rotation of lever A (10), lever A (10) makes moving contact A (11) and fixed contact A (12) closure, state indication piece (8) becomes redness by green simultaneously, and breaker tripping mechanism enters "on" position.
See also shown in accompanying drawing 5A and 5B, the accompanying drawing 3, the operation principle of electrical leakage tripping device of the present utility model from the initial condition to the closing course is described, because the handle (4) of breaker tripping mechanism upwards operation drives handle and connecting rod (5) rotation and drives lever A (10), lever coupling spindle (9) on the lever A (10) drives lever B (23), and rotation restoring lever (24), force snap close B (25) and tripping B (26) to interlock, impel moving contact B (21) and fixed contact B (22) closure, electrical leakage tripping device is also started working.Simultaneously lever B (23) drive beat reseting plate (27) beat release push rod (30), its wait that resets is leaked electricity once more works.
The utility model integrates overload protection, short-circuit protection and earth leakage protective, below specifies:
1) overload protection:
When the energising operation, in circuit, can produce an electric current, when this electric current during greater than rated current, can make the two golden connecting rods (14) of the crooked pulling of bimetal leaf (15) heating, driving snap close A (6) separates with tripping A (7), and under extension spring (13) effect, moving contact A (11) is separated fast with fixed contact A (12).Lever coupling spindle (9) on the lever A (10) drives lever B (23) simultaneously, make moving contact B (21) also under the effect of extension spring (13), separate fast with fixed contact B (22), handle (4) is returned to initial condition like this, and state indication piece (8) becomes green by redness.
2) short-circuit protection:
When circuit produces short circuit, coil in the electromagnetic system (2) can produce a powerful magnetic field, the pulling iron core forces electromagnetic system push rod (3) promotion snap close A (6) to separate with tripping A (7), and under the effect of extension spring (13), moving contact A (11) is separated fast with fixed contact A (12).Lever coupling spindle (9) on the lever A (10) drives lever B (23) simultaneously, make moving contact B (21) also under the effect of extension spring (13), separate fast with fixed contact B (22), handle (4) is returned to initial condition like this, and state indication piece (8) becomes green by redness.
3) earth leakage protective:
Be equivalent to produce a simulation electric leakage during by test button (28).When leakage current flows through magnet ring (32), magnet ring (32) can produce a weak voltage, this voltage signal can produce a magnetic field pulling release push rod (30) in release (31) coil, release push rod (30) promote beat reseting plate (27) and promote tripping B (26) again and separate with snap close B (25), snap close B (25) drives the pin (29) on the snap close A simultaneously, allow snap close A (6) separate with tripping A (7), and under extension spring (13) effect, moving contact A (11) is separated fast with fixed contact B (22) with fixed contact A (12), moving contact B (21).Handle (4) is returned to initial condition like this, and state indication piece (8) becomes green by redness.
See also shown in the accompanying drawing 6, between two golden conducting strip (17) of the present utility model and the terminal block (19) is to adopt soft coupling block (18) to be connected, and the displacement that influences bimetal leaf (15) as wire frame (20) external wire and fixed screw (16) Shi Buhui also is convenient to assemble.The conducting system of traditional bimetal leaf is to adopt the welding of hardboard material between two golden conducting strips (17) and the terminal block (19), when wire frame (20) external wire and fixed screw (16), cause the displacement of bimetal leaf (15) easily, have a strong impact on the accuracy of product.The utility model adopts soft coupling block (18) to connect, and has obviously improved the stability of product.

Claims (4)

1. a residual current circuit breaker comprises shell (1), residual current circuit breaker tripping mechanism, two golden system, it is characterized in that:
Described residual current circuit breaker tripping mechanism is made up of breaker tripping mechanism and electrical leakage tripping device, and the lever A (10) of breaker tripping mechanism and the lever B (23) of electrical leakage tripping device are connected to form bilevel tripping mechanism by lever connecting axle (9);
Described two golden system, an end of an end of its bimetal leaf (15) and two golden connecting rods (14) connects and composes the shape of L type, and the other end of two golden connecting rods (14) is connected with the snap close A (6) of breaker tripping mechanism.
2. a kind of residual current circuit breaker according to claim 1 is characterized in that:
Described breaker tripping mechanism, its handle (4) is connected with an end of handle and connecting rod (5), the other end of handle and connecting rod (5) and tripping A (7), state indication piece (8) links to each other, snap close A (6) that locks mutually with tripping A (7) and lever A (10), moving contact A (11) connects, moving contact A (11) links to each other with the end of spring A (13), the other end of spring A (13) is fixed on the pin of shell (1), be connected with two golden systems by line with the corresponding fixed contact A of moving contact A (11) (12), breaker tripping mechanism is provided with electromagnetic system (2) in addition, is provided with iron core and push rod (3) in the electromagnetic system (2).
3. a kind of residual current circuit breaker according to claim 1 is characterized in that:
Described electrical leakage tripping device, its lever B (23) is connected with moving contact B (21), the long arm end of the end of lever B (23) and restoring lever (24) near, be connected with wire frame (20) by line with the corresponding fixed contact B of moving contact B (21) (22), be fixed with tripping B (26) on the pin of shell (1), snap close B (25) and beat reseting plate (27), the galianconism end of restoring lever (24) and snap close B (25) one ends interlock, the end of snap close B (25) other end and tripping B (26) interlocks, the other end of tripping B (26) near beat the movable end of reseting plate (27), electrical leakage tripping device is provided with a magnet ring (32) in addition, the output line of magnet ring (32) links to each other with release (31), is provided with release push rod (30) in the release (31).
4. a kind of residual current circuit breaker according to claim 1 is characterized in that:
Between two golden conducting strips (17) and terminal block (19), adopt soft coupling block (18) to be connected.
CNU2006200448930U 2006-08-17 2006-08-17 Leakage circuit breaker Expired - Lifetime CN2938385Y (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CNU2006200448930U CN2938385Y (en) 2006-08-17 2006-08-17 Leakage circuit breaker
PCT/CN2006/002721 WO2008022494A1 (en) 2006-08-17 2006-10-16 Leakage circuit breaker
DE602006018541T DE602006018541D1 (en) 2006-08-17 2006-10-16 LEAK BREAKER SWITCH
EP06791265A EP2061061B1 (en) 2006-08-17 2006-10-16 Leakage circuit breaker
AT06791265T ATE489720T1 (en) 2006-08-17 2006-10-16 LEAK INTERRUPTION SWITCH

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2006200448930U CN2938385Y (en) 2006-08-17 2006-08-17 Leakage circuit breaker

Publications (1)

Publication Number Publication Date
CN2938385Y true CN2938385Y (en) 2007-08-22

Family

ID=38362411

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2006200448930U Expired - Lifetime CN2938385Y (en) 2006-08-17 2006-08-17 Leakage circuit breaker

Country Status (5)

Country Link
EP (1) EP2061061B1 (en)
CN (1) CN2938385Y (en)
AT (1) ATE489720T1 (en)
DE (1) DE602006018541D1 (en)
WO (1) WO2008022494A1 (en)

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CN101853749A (en) * 2009-03-31 2010-10-06 施耐德电器工业公司 The thermal release device that is used for electric protective equipment
CN102315049A (en) * 2010-07-02 2012-01-11 施耐德电器工业公司 Device for electrical connection and circuit breaker
CN102592899A (en) * 2012-03-16 2012-07-18 乐清市捷利电气有限公司 Residual current circuit breaker
CN103928270A (en) * 2013-12-31 2014-07-16 上海诺雅克电气有限公司 Operation mechanism of small breaker
CN104488059A (en) * 2012-07-11 2015-04-01 三菱电机株式会社 Circuit breaker
CN106373836A (en) * 2016-11-16 2017-02-01 中欧电气有限公司 Protection mechanism and circuit breaker thereof
CN106653511A (en) * 2017-02-24 2017-05-10 德力西电气有限公司 Novel operation control device for small circuit breaker
CN107146745A (en) * 2016-03-01 2017-09-08 浙江正泰电器股份有限公司 Electronic type residual current circuit breaker
CN108054061A (en) * 2018-01-18 2018-05-18 温州奥来电器有限公司 A kind of electric leakage mechanism of leakage circuit breakers
CN108122716A (en) * 2018-01-18 2018-06-05 温州奥来电器有限公司 A kind of leakage circuit breakers
CN108376631A (en) * 2018-04-10 2018-08-07 首瑞（天津）电气设备有限公司 A kind of small size 1P+N leakage circuit breakers
CN109686627A (en) * 2019-01-22 2019-04-26 浙江明晖智能电气有限公司 The multistage linking system of Multifunctional breaker

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CN102610457B (en) * 2012-03-22 2014-04-30 浙江鼎威科技有限公司 Device of leakage breaker for combining leakage testing with leakage reset button
DE102014208564A1 (en) * 2014-05-07 2015-11-12 Siemens Aktiengesellschaft Protective switching device with two release mechanisms with different lever ratios
CN117916842A (en) * 2021-09-07 2024-04-19 阿尔芬纳公司 Improved and simplified multifunctional two-bar mechanism and improved miniature circuit breaker
CN114792613B (en) * 2022-03-30 2023-07-25 中群电气有限公司 Overload quick recovery circuit breaker

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JP3210820B2 (en) * 1994-11-15 2001-09-25 松下電工株式会社 Earth leakage breaker
DE10205311B4 (en) * 2002-02-08 2006-06-29 Siemens Ag switchgear
CN2529375Y (en) * 2002-02-19 2003-01-01 周圣博 Double-pole leakage circuit breaker
CN2524360Y (en) * 2002-03-05 2002-12-04 乐清市中南开关厂 Leakage circuit breaker with plastic casing

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Publication number Priority date Publication date Assignee Title
CN101853749B (en) * 2009-03-31 2014-04-16 施耐德电器工业公司 Thermal trip device for electrical protection device
CN101853749A (en) * 2009-03-31 2010-10-06 施耐德电器工业公司 The thermal release device that is used for electric protective equipment
CN102315049A (en) * 2010-07-02 2012-01-11 施耐德电器工业公司 Device for electrical connection and circuit breaker
CN102315049B (en) * 2010-07-02 2015-04-15 施耐德电器工业公司 Device for electrical connection and circuit breaker
CN102592899A (en) * 2012-03-16 2012-07-18 乐清市捷利电气有限公司 Residual current circuit breaker
CN102592899B (en) * 2012-03-16 2014-05-07 乐清市捷利电气有限公司 Residual current circuit breaker
CN104488059A (en) * 2012-07-11 2015-04-01 三菱电机株式会社 Circuit breaker
CN104488059B (en) * 2012-07-11 2016-09-28 三菱电机株式会社 Circuit-breaker
CN103928270A (en) * 2013-12-31 2014-07-16 上海诺雅克电气有限公司 Operation mechanism of small breaker
CN103928270B (en) * 2013-12-31 2016-04-20 上海诺雅克电气有限公司 The operating mechanism of miniature circuit breaker
CN107146745A (en) * 2016-03-01 2017-09-08 浙江正泰电器股份有限公司 Electronic type residual current circuit breaker
CN107146745B (en) * 2016-03-01 2020-02-18 浙江正泰电器股份有限公司 Electronic leakage circuit breaker
CN106373836A (en) * 2016-11-16 2017-02-01 中欧电气有限公司 Protection mechanism and circuit breaker thereof
CN106373836B (en) * 2016-11-16 2018-07-06 中欧电气有限公司 A kind of protection mechanism and with its breaker
CN106653511B (en) * 2017-02-24 2019-12-27 德力西电气有限公司 Novel operation control device for miniature circuit breaker
CN106653511A (en) * 2017-02-24 2017-05-10 德力西电气有限公司 Novel operation control device for small circuit breaker
CN108054061A (en) * 2018-01-18 2018-05-18 温州奥来电器有限公司 A kind of electric leakage mechanism of leakage circuit breakers
CN108122716A (en) * 2018-01-18 2018-06-05 温州奥来电器有限公司 A kind of leakage circuit breakers
CN108122716B (en) * 2018-01-18 2023-11-17 温州奥来电器有限公司 Leakage circuit breaker
CN108054061B (en) * 2018-01-18 2023-11-24 温州奥来电器有限公司 Leakage mechanism of leakage circuit breaker
CN108376631A (en) * 2018-04-10 2018-08-07 首瑞（天津）电气设备有限公司 A kind of small size 1P+N leakage circuit breakers
CN108376631B (en) * 2018-04-10 2024-03-29 首瑞（天津）电气设备有限公司 Small-size 1P+N leakage circuit breaker
CN109686627A (en) * 2019-01-22 2019-04-26 浙江明晖智能电气有限公司 The multistage linking system of Multifunctional breaker

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EP2061061A1 (en) 2009-05-20
DE602006018541D1 (en) 2011-01-05
EP2061061B1 (en) 2010-11-24
EP2061061A4 (en) 2010-03-17
WO2008022494A1 (en) 2008-02-28
ATE489720T1 (en) 2010-12-15

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