ZA91131B - Circuit breaker with leakage current detecting functions - Google Patents

Circuit breaker with leakage current detecting functions

Info

Publication number
ZA91131B
ZA91131B ZA91131A ZA91131A ZA91131B ZA 91131 B ZA91131 B ZA 91131B ZA 91131 A ZA91131 A ZA 91131A ZA 91131 A ZA91131 A ZA 91131A ZA 91131 B ZA91131 B ZA 91131B
Authority
ZA
South Africa
Prior art keywords
circuit breaker
leakage current
current detecting
detecting functions
functions
Prior art date
Application number
ZA91131A
Other languages
English (en)
Inventor
Shigeru Matsumoto
Matsumoto Shigeru
Toshihiro Akiyama
Akiyama Toshihiro
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of ZA91131B publication Critical patent/ZA91131B/xx

Links

Classifications

    • 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
    • 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
    • H01H73/12—Means for indicating condition of the switch
    • H01H73/14—Indicating lamp structurally associated with the switch
    • 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
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
    • H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection 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
    • H01H71/08—Terminals; Connections
    • H01H2071/086—Low power connections for auxiliary switches, e.g. shunt trip
    • 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)
ZA91131A 1990-01-12 1991-01-08 Circuit breaker with leakage current detecting functions ZA91131B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005165A JPH03210726A (ja) 1990-01-12 1990-01-12 漏電警報機能付き配線用遮断器

Publications (1)

Publication Number Publication Date
ZA91131B true ZA91131B (en) 1991-11-27

Family

ID=11603625

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA91131A ZA91131B (en) 1990-01-12 1991-01-08 Circuit breaker with leakage current detecting functions

Country Status (6)

Country Link
US (1) US5172293A (ja)
EP (1) EP0437220B1 (ja)
JP (1) JPH03210726A (ja)
KR (1) KR910014976A (ja)
DE (1) DE69110304T2 (ja)
ZA (1) ZA91131B (ja)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5089796A (en) * 1990-09-19 1992-02-18 Square D Company Earth leakage trip indicator
US5605224A (en) * 1994-05-25 1997-02-25 General Electric Company Accessory compartment for high ampere-rated circuit breaker
ES2107337B1 (es) * 1994-07-05 1998-07-01 Univ Catalunya Politecnica Dispositivo automatico de desconexion de linea electrica por debajo de un minimo y conexion con comprobacion previa de corto circuito y sobrecarga.
FR2774822B1 (fr) † 1998-02-11 2000-03-17 Schneider Electric Ind Sa Dispositif de protection differentielle
IT1313953B1 (it) * 1999-12-16 2002-09-26 Abb Ricerca Spa Dispositivo di interruzione e protezione di un circuito dialimentazione di un carico contro i guasti verso terra.
KR100506477B1 (ko) * 2000-08-22 2005-08-03 미쓰비시덴키 가부시키가이샤 누전차단기
DE20109898U1 (de) * 2001-06-13 2001-09-06 Siemens Ag Niederspannungs-Leistungsschalter mit einem elektronischen Überstromauslöser und Auslösemagneten
JP2005304148A (ja) * 2004-04-09 2005-10-27 Hitachi Industrial Equipment Systems Co Ltd 絶縁監視システム
ITBG20050027A1 (it) * 2005-05-13 2006-11-14 Abb Service Srl Dispositivo di alloggiamento e connessione di accessori di interruttori.
KR100712672B1 (ko) * 2005-09-20 2007-05-02 세기이테크 주식회사 일체식 2단 접점 개폐구조를 갖는 자동복귀형 누전차단기
JP2008159456A (ja) * 2006-12-25 2008-07-10 Fuji Electric Fa Components & Systems Co Ltd 漏電遮断器
US20090102584A1 (en) * 2007-10-23 2009-04-23 Prashant Sudhakar Zende Multiple Axis Transmission System
GB2463487A (en) * 2008-09-15 2010-03-17 Viper Subsea Ltd Subsea protection device
CN101728126A (zh) * 2008-10-13 2010-06-09 施耐德电器工业公司 电子式漏电保护器
US9778310B2 (en) 2010-11-05 2017-10-03 Kelsey-Hayes Company Apparatus and method for detection of solenoid current
CN103177884B (zh) 2011-12-26 2016-09-14 上海电科电器科技有限公司 低压电器的触头结构
CN103177905B (zh) * 2011-12-26 2015-04-29 上海电科电器科技有限公司 低压电器的控制及保护装置
WO2013097696A1 (zh) * 2011-12-26 2013-07-04 上海电科电器科技有限公司 低压电器的控制及保护装置
AU2013302243B2 (en) * 2012-10-12 2015-01-29 Allen, Sarah Louise Testing apparatus for safety switches and method
EP2840586A1 (en) * 2013-08-21 2015-02-25 Siemens Aktiengesellschaft Self-retention compression spring with housing
JP6049567B2 (ja) * 2013-08-22 2016-12-21 三菱電機株式会社 漏電警報付配線用遮断器
KR101834813B1 (ko) 2014-03-17 2018-03-06 엘에스산전 주식회사 배선용 차단기
US20230417841A1 (en) * 2022-06-27 2023-12-28 Infineon Technologies Austria Ag Current leak detection for solid state devices

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3745414A (en) * 1972-01-21 1973-07-10 Westinghouse Electric Corp Ground fault circuit interrupter
US4338647A (en) * 1980-04-15 1982-07-06 Westinghouse Electric Corp. Circuit interrupter with digital trip unit and optically-coupled data input/output system
DE3108393A1 (de) * 1981-03-05 1982-09-16 Siemens AG, 1000 Berlin und 8000 München "schutzschalter mit von aussen zugaenglichem summenstromwandler"
FR2604294B1 (fr) * 1986-09-23 1994-05-20 Merlin Et Gerin Disjoncteur differentiel multipolaire a assemblage modulaire
US4831496A (en) * 1988-04-07 1989-05-16 Pass & Seymour, Inc. Ground fault receptacle circuitry components
US5041805A (en) * 1988-10-06 1991-08-20 Mitsubishi Denki Kabushiki Kaisha Remote-controlled circuit breaker
JPH02239533A (ja) * 1989-03-10 1990-09-21 Mitsubishi Electric Corp 漏電警報機能付き配線用遮断器

Also Published As

Publication number Publication date
DE69110304D1 (de) 1995-07-20
JPH03210726A (ja) 1991-09-13
DE69110304T2 (de) 1996-01-25
EP0437220A2 (en) 1991-07-17
EP0437220B1 (en) 1995-06-14
US5172293A (en) 1992-12-15
EP0437220A3 (en) 1992-07-01
KR910014976A (ko) 1991-08-31

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