ZA891361B - Circuit breaker - Google Patents

Circuit breaker

Info

Publication number
ZA891361B
ZA891361B ZA891361A ZA891361A ZA891361B ZA 891361 B ZA891361 B ZA 891361B ZA 891361 A ZA891361 A ZA 891361A ZA 891361 A ZA891361 A ZA 891361A ZA 891361 B ZA891361 B ZA 891361B
Authority
ZA
South Africa
Prior art keywords
circuit breaker
breaker
circuit
Prior art date
Application number
ZA891361A
Other languages
English (en)
Inventor
Kazuhiro Ishii
Ishii Kazuhiro
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 ZA891361B publication Critical patent/ZA891361B/xx

Links

Classifications

    • 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
    • H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H02H3/093—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current with timing means
    • 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
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02—Details
    • H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
    • H02H3/044—Checking correct functioning of protective arrangements, e.g. by simulating a fault
ZA891361A 1988-02-24 1989-02-22 Circuit breaker ZA891361B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63041054A JPH0714252B2 (ja) 1988-02-24 1988-02-24 回路しゃ断器

Publications (1)

Publication Number Publication Date
ZA891361B true ZA891361B (en) 1989-10-25

Family

ID=12597693

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA891361A ZA891361B (en) 1988-02-24 1989-02-22 Circuit breaker

Country Status (6)

Country Link
US (1) US4873603A (fr)
EP (1) EP0330148B1 (fr)
JP (1) JPH0714252B2 (fr)
KR (1) KR910007670B1 (fr)
DE (1) DE68918305T2 (fr)
ZA (1) ZA891361B (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03239159A (ja) * 1990-02-15 1991-10-24 Mitsubishi Electric Corp 直流電源装置
JPH0766724B2 (ja) * 1990-02-28 1995-07-19 三菱電機株式会社 回路遮断器
KR930010685B1 (ko) * 1990-03-15 1993-11-05 미쯔비시 덴끼 가부시기가이샤 회로차단기
JPH03270632A (ja) * 1990-03-16 1991-12-02 Mitsubishi Electric Corp 事前警報付回路遮断器
US5736861A (en) * 1995-08-07 1998-04-07 Paul A. Keleher Circuit breaker tester
US6329810B1 (en) * 1998-03-18 2001-12-11 Square D Company Modular sensor array, metering device and mounting and connection base
US6483289B2 (en) 1998-03-18 2002-11-19 Square D Company Modular sensor array, metering device and mounting and connection base
US7486088B2 (en) * 2005-03-30 2009-02-03 Fujitsu Ten Limited Method for preventing corrosion of contact and apparatus for preventing corrosion of contact
CA3092027C (fr) 2017-12-14 2024-10-08 Veris Industries, Llc Detection de defaut electrique pour une barre blindee modulaire
US11360130B2 (en) 2019-06-20 2022-06-14 Schneider Electric USA, Inc. Distributed electrical energy meter
US11605945B2 (en) 2020-03-18 2023-03-14 Samsung Sdi Co., Ltd. Pyro igniter circuit and testing method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3852660A (en) * 1973-09-28 1974-12-03 Westinghouse Electric Corp Circuit breaker fault simulator
US3924160A (en) * 1973-09-28 1975-12-02 Westinghouse Electric Corp Circuit breaker with detachably connected fault simulator
US4060844A (en) * 1976-02-17 1977-11-29 I-T-E Imperial Corporation Solid state tripping circuit
US4414601A (en) * 1981-04-27 1983-11-08 Westinghouse Electric Corp. Solid-state load protection system having a test feature
US4442472A (en) 1982-03-26 1984-04-10 Siemens-Allis, Inc. Solid state trip circuit with digital timer
FR2578092B1 (fr) * 1985-02-25 1987-03-06 Merlin Gerin Disjoncteur a declencheur statique a echantillonnage et blocage a la derniere crete du signal
US4694374A (en) * 1985-04-26 1987-09-15 Westinghouse Electric Corp. Programmed overexcitation protective relay and method of operating the same
EP0235479B1 (fr) * 1986-01-10 1993-08-04 Merlin Gerin Déclencheur statique à circuit de test pour disjoncteur électrique

Also Published As

Publication number Publication date
EP0330148B1 (fr) 1994-09-21
DE68918305T2 (de) 1995-01-19
EP0330148A2 (fr) 1989-08-30
US4873603A (en) 1989-10-10
EP0330148A3 (fr) 1991-04-10
JPH01218319A (ja) 1989-08-31
KR910007670B1 (ko) 1991-09-30
DE68918305D1 (de) 1994-10-27
KR890013684A (ko) 1989-09-25
JPH0714252B2 (ja) 1995-02-15

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