HK1012124A1 - Leakage-responsive circuit breaker - Google Patents

Leakage-responsive circuit breaker

Info

Publication number
HK1012124A1
HK1012124A1 HK98112992A HK98112992A HK1012124A1 HK 1012124 A1 HK1012124 A1 HK 1012124A1 HK 98112992 A HK98112992 A HK 98112992A HK 98112992 A HK98112992 A HK 98112992A HK 1012124 A1 HK1012124 A1 HK 1012124A1
Authority
HK
Hong Kong
Prior art keywords
leakage
circuit breaker
responsive circuit
responsive
breaker
Prior art date
Application number
HK98112992A
Inventor
Takashi Kitamura
Yoichi Yokoyama
Yoichi Kunimoto
Tomoyuki Sawada
Hirofumi Konishi
Original Assignee
Matsushita A Electric Works Lt
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 Matsushita A Electric Works Lt filed Critical Matsushita A Electric Works Lt
Publication of HK1012124A1 publication Critical patent/HK1012124A1/en

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
    • 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
    • H01H2083/045—Auxiliary switch opening testing circuit in synchronism with the main circuit
    • 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
    • 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)
HK98112992A 1994-11-15 1998-12-09 Leakage-responsive circuit breaker HK1012124A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP28102194A JP3210820B2 (en) 1994-11-15 1994-11-15 Earth leakage breaker

Publications (1)

Publication Number Publication Date
HK1012124A1 true HK1012124A1 (en) 1999-07-23

Family

ID=17633188

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98112992A HK1012124A1 (en) 1994-11-15 1998-12-09 Leakage-responsive circuit breaker

Country Status (5)

Country Link
JP (1) JP3210820B2 (en)
CN (1) CN1047021C (en)
GB (1) GB2295276B (en)
HK (1) HK1012124A1 (en)
MY (1) MY113065A (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007135200A1 (en) * 2006-05-19 2007-11-29 General Electric Company Distribution of the space for switch apparatuses
EP2026369B1 (en) * 2006-05-19 2012-12-12 General Electric Company Housing for single-pole circuit breaker comprising two current path regions
JP4736949B2 (en) * 2006-05-23 2011-07-27 富士電機機器制御株式会社 Earth leakage breaker
CN2938385Y (en) * 2006-08-17 2007-08-22 浙江省志明电气进出口有限公司 Leakage circuit breaker
CN101958191B (en) * 2010-08-25 2012-04-25 江苏辉能电气有限公司 Zero sequence current mutual inductor
AU2012225034B2 (en) * 2011-03-09 2016-06-09 Seari Electric Technology Co., Ltd. Circuit breaker for optimizing space allocation
CN105762027B (en) * 2016-04-14 2017-10-20 浙江天正电气股份有限公司 A kind of RCCB and its electric leakage detector
CN106504957B (en) * 2016-12-15 2019-01-01 苏州未来电器股份有限公司 Breaker with creepage protection function
CN106504954B (en) * 2016-12-15 2019-01-01 苏州未来电器股份有限公司 Breaker with creepage protection function and divide-shut brake function
CN107195510A (en) * 2017-07-24 2017-09-22 罗格朗低压电器（无锡）有限公司 Using the residual current circuit breaker of forward type zero sequence current mutual inductor
FR3071955B1 (en) * 2017-10-03 2020-10-30 Hager Electro Sas MODULAR LINE PROTECTION ELECTRICAL DEVICE
KR102500201B1 (en) * 2018-05-15 2023-02-16 미쓰비시덴키 가부시키가이샤 circuit breaker
CN111462989B (en) * 2020-04-27 2021-09-28 扬州中恒电气有限公司 Secondary grounding protection device of voltage transformer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1115819B (en) * 1960-01-18 1961-10-26 Busch Jaeger Duerener Metall Residual current circuit breaker
GB1145857A (en) * 1965-11-19 1969-03-19 B & R Relays Ltd Improvements in or relating to electrical circuit breakers
BE790970A (en) * 1971-11-17 1973-05-07 Saparel DIFFERENTIAL PROTECTED SOCKET
US3784940A (en) * 1972-09-15 1974-01-08 Federal Pacific Electric Co Circuit breaker with overcurrent and auxiliary releases
DE3504423A1 (en) * 1985-02-07 1986-08-07 Siemens AG, 1000 Berlin und 8000 München LOW VOLTAGE CIRCUIT BREAKERS WITH A CURRENT TRANSFORMER
FR2662017B1 (en) * 1990-05-10 1996-07-26 Merlin Gerin SINGLE POLE, NEUTRAL DIFFERENTIAL CIRCUIT BREAKER.
US5276416A (en) * 1991-09-20 1994-01-04 Kabushiki Kaisha Toshiba Circuit breaker

Also Published As

Publication number Publication date
CN1123458A (en) 1996-05-29
MY113065A (en) 2001-11-30
GB2295276B (en) 1998-10-14
CN1047021C (en) 1999-12-01
GB2295276A (en) 1996-05-22
GB9509830D0 (en) 1995-07-05
JPH08138517A (en) 1996-05-31
JP3210820B2 (en) 2001-09-25

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20050515