GB2295275B - Circuit breaker - Google Patents

Circuit breaker

Info

Publication number
GB2295275B
GB2295275B GB9509096A GB9509096A GB2295275B GB 2295275 B GB2295275 B GB 2295275B GB 9509096 A GB9509096 A GB 9509096A GB 9509096 A GB9509096 A GB 9509096A GB 2295275 B GB2295275 B GB 2295275B
Authority
GB
United Kingdom
Prior art keywords
circuit breaker
breaker
circuit
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 - Fee Related
Application number
GB9509096A
Other versions
GB2295275A (en
GB9509096D0 (en
Inventor
Takashi Kitamura
Yoichi Tokoyama
Yoichi Kunimoto
Tomoyuki Sawada
Hirofumi Konishi
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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
Priority claimed from JP28102094A external-priority patent/JP3210819B2/en
Priority claimed from JP6281019A external-priority patent/JP3069501B2/en
Priority claimed from JP6281025A external-priority patent/JP2992448B2/en
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Publication of GB9509096D0 publication Critical patent/GB9509096D0/en
Publication of GB2295275A publication Critical patent/GB2295275A/en
Application granted granted Critical
Publication of GB2295275B publication Critical patent/GB2295275B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/04—Means for indicating condition of the switching device
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5855—Electric connections to or between contacts; Terminals characterised by the use of a wire clamping screw or nut
    • H01H2001/5861—Box connector with a collar or lug for clamping internal rail and external conductor together by a tightening screw
    • 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
    • H01H71/04—Means for indicating condition of the switching device
    • H01H2071/042—Means for indicating condition of the switching device with different indications for different conditions, e.g. contact position, overload, short circuit or earth leakage
    • 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
    • H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
    • H01H2071/7472—Means for adjusting the conditions under which the device will function to provide protection with antitamper means for avoiding unauthorised setting
    • 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
    • H01H71/002—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00 with provision for switching the neutral conductor
    • 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
    • H01H71/1072—Release mechanisms which are reset by opening movement of contacts
    • 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
    • H01H71/123—Automatic release mechanisms with or without manual release using a solid-state trip unit
    • 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
    • H01H71/2409—Electromagnetic mechanisms combined with an electromagnetic current limiting mechanism
    • 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
    • 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
    • H01H71/526—Manual reset mechanisms which may be also used for manual release actuated by lever the lever forming a toggle linkage with a second lever, the free end of which is directly and releasably engageable with a contact structure
    • 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
    • H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
    • H01H71/7427—Adjusting only the electrothermal mechanism
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/02—Details
    • H01H73/18—Means for extinguishing or suppressing arc
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • 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
    • H01H83/04—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 with testing means for indicating the ability of the switch or relay to function properly

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Breakers (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
GB9509096A 1994-11-15 1995-05-04 Circuit breaker Expired - Fee Related GB2295275B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP28102094A JP3210819B2 (en) 1994-11-15 1994-11-15 Earth leakage breaker
JP6281019A JP3069501B2 (en) 1994-11-15 1994-11-15 Circuit breaker
JP6281025A JP2992448B2 (en) 1994-11-15 1994-11-15 Earth leakage breaker

Publications (3)

Publication Number Publication Date
GB9509096D0 GB9509096D0 (en) 1995-06-28
GB2295275A GB2295275A (en) 1996-05-22
GB2295275B true GB2295275B (en) 1998-08-12

Family

ID=27336804

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9509096A Expired - Fee Related GB2295275B (en) 1994-11-15 1995-05-04 Circuit breaker

Country Status (4)

Country Link
CN (1) CN1068703C (en)
GB (1) GB2295275B (en)
HK (1) HK1012125A1 (en)
MY (1) MY113997A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106298381A (en) * 2016-10-19 2017-01-04 厦门尤伯电气有限公司 A kind of chopper connecting protection with ground
CN106783435A (en) * 2017-02-14 2017-05-31 河北农业大学 Leakage protector and leakage protection method thereof

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3804345B2 (en) * 1999-07-13 2006-08-02 松下電工株式会社 Circuit breaker
DE19933166A1 (en) * 1999-07-14 2001-01-18 Hager Electro Gmbh Activating and deactivating device for mains protective switches arranged in block, has device for removing support parts from members which transfer closing force for switching contacts
NL1027342C2 (en) * 2004-10-26 2006-04-27 Eaton Electric Nv Fire extinguisher for safety switch.
JP4600303B2 (en) * 2006-01-25 2010-12-15 三菱電機株式会社 Circuit breaker
DE102006036191A1 (en) * 2006-08-01 2008-02-07 Siemens Ag switching device
FR2920911B1 (en) * 2007-09-11 2010-02-19 Schneider Electric Ind Sas ELECTRICAL DEVICE WITH DIFFERENTIAL PROTECTION
DE102007046356B4 (en) * 2007-09-27 2009-12-10 Siemens Ag Switching mechanism of a residual current device, residual current device and system with a residual current device and a circuit breaker
CN101145478B (en) * 2007-10-12 2010-07-28 温州市新蓝天电器有限公司 Circuit breaker with leakage, overloading and short circuit protector
FR2926923B1 (en) * 2008-01-28 2010-03-26 Hager Electro Sas SYSTEM FOR SIGNALING AN ELECTRICAL FAULT IN A CUTTING APPARATUS
US8089282B2 (en) * 2009-04-18 2012-01-03 General Electric Company Test assembly for a circuit breaker
JP2011014313A (en) 2009-06-30 2011-01-20 Panasonic Electric Works Co Ltd Dc circuit breaker
DE102010015825B4 (en) * 2010-04-20 2012-10-18 Abb Ag Electrical service switching device with a switch position indicator
ITBG20100062A1 (en) * 2010-11-17 2012-05-18 Abb Spa ELECTRIC SWITCHING DEVICE.
WO2013118147A1 (en) * 2012-02-06 2013-08-15 Larsen And Toubro Limited Kinematic for auxiliary modular devices and auxiliary modular devices, such as overvoltage, under-voltage and shunt trip, using such kinematic
DE102013202811B4 (en) * 2013-02-21 2020-03-05 Siemens Aktiengesellschaft switch
CN106206104A (en) * 2013-08-02 2016-12-07 乐清市华尊电气有限公司 A kind of low tension switch
CN104851761B (en) * 2015-05-14 2018-01-26 厦门宏发开关设备有限公司 A kind of shunt trip of breaker
CN106653505B (en) * 2015-10-28 2020-10-23 龙门技术服务有限公司 Barrier-free tripping system of ultrahigh voltage or high voltage circuit breaker
US10692678B2 (en) 2018-09-06 2020-06-23 Carling Technologies, Inc. Circuit breaker with slide to test function
CN111584320A (en) * 2019-02-19 2020-08-25 俊郎电气有限公司 Small-size earth leakage ground fault protection circuit breaker
FR3121274B1 (en) * 2021-03-26 2024-02-02 Schneider Electric Ind Sas Electrical protection device and electrical panel comprising such an electrical protection device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1090456A (en) * 1964-04-11 1967-11-08 Bassani Spa Miniature electric circuit-breakers
GB2026244A (en) * 1977-04-14 1980-01-30 Belli A & Co A Di Circuit breaker tripping
EP0111662A1 (en) * 1982-11-13 1984-06-27 BROWN, BOVERI & CIE Aktiengesellschaft Electrical switch
EP0128676A2 (en) * 1983-04-28 1984-12-19 Mitsubishi Denki Kabushiki Kaisha Circuit interrupter
US4630015A (en) * 1985-01-10 1986-12-16 Slater Electric, Inc. Ground fault circuit interrupter
US4859979A (en) * 1987-07-08 1989-08-22 La Telemecanique Electrique Thermal relay

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA895152B (en) * 1988-08-01 1990-04-25 Westinghouse Electric Corp Crossbar assembly
CN2164112Y (en) * 1993-08-18 1994-05-04 江维亮 Overcurrent release

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1090456A (en) * 1964-04-11 1967-11-08 Bassani Spa Miniature electric circuit-breakers
GB2026244A (en) * 1977-04-14 1980-01-30 Belli A & Co A Di Circuit breaker tripping
EP0111662A1 (en) * 1982-11-13 1984-06-27 BROWN, BOVERI & CIE Aktiengesellschaft Electrical switch
EP0128676A2 (en) * 1983-04-28 1984-12-19 Mitsubishi Denki Kabushiki Kaisha Circuit interrupter
US4630015A (en) * 1985-01-10 1986-12-16 Slater Electric, Inc. Ground fault circuit interrupter
US4859979A (en) * 1987-07-08 1989-08-22 La Telemecanique Electrique Thermal relay

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106298381A (en) * 2016-10-19 2017-01-04 厦门尤伯电气有限公司 A kind of chopper connecting protection with ground
CN106783435A (en) * 2017-02-14 2017-05-31 河北农业大学 Leakage protector and leakage protection method thereof
CN106783435B (en) * 2017-02-14 2018-08-14 河北农业大学 Leakage protector and leakage protection method thereof

Also Published As

Publication number Publication date
CN1068703C (en) 2001-07-18
GB2295275A (en) 1996-05-22
HK1012125A1 (en) 1999-07-23
GB9509096D0 (en) 1995-06-28
MY113997A (en) 2002-07-31
CN1147140A (en) 1997-04-09

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 20000602

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20050504