ZA911873B - Prealarm circuit breaker - Google Patents

Prealarm circuit breaker

Info

Publication number
ZA911873B
ZA911873B ZA911873A ZA911873A ZA911873B ZA 911873 B ZA911873 B ZA 911873B ZA 911873 A ZA911873 A ZA 911873A ZA 911873 A ZA911873 A ZA 911873A ZA 911873 B ZA911873 B ZA 911873B
Authority
ZA
South Africa
Prior art keywords
circuit breaker
prealarm circuit
prealarm
breaker
circuit
Prior art date
Application number
ZA911873A
Other languages
English (en)
Inventor
Kazuhiro Ishii
Ishii Kazuhiro
Kouji Hirotsune
Hirotsune Kouji
Ichiro Arinobu
Arinobu Ichiro
Kazushi Sato
Sato Kazushi
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 ZA911873B publication Critical patent/ZA911873B/xx

Links

Classifications

    • 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
    • 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
ZA911873A 1990-03-16 1991-03-14 Prealarm circuit breaker ZA911873B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2064138A JPH03270632A (ja) 1990-03-16 1990-03-16 事前警報付回路遮断器

Publications (1)

Publication Number Publication Date
ZA911873B true ZA911873B (en) 1992-01-29

Family

ID=13249417

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA911873A ZA911873B (en) 1990-03-16 1991-03-14 Prealarm circuit breaker

Country Status (6)

Country Link
US (1) US5086366A (ko)
EP (1) EP0446950B1 (ko)
JP (1) JPH03270632A (ko)
KR (1) KR940003001B1 (ko)
DE (1) DE69114033T2 (ko)
ZA (1) ZA911873B (ko)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5448442A (en) * 1988-06-22 1995-09-05 Siemens Energy & Automation, Inc. Motor controller with instantaneous trip protection
US5386183A (en) * 1990-01-03 1995-01-31 Siemens Energy & Automation, Inc. Method and apparatus for sensing a ground fault in a motor control system
FR2688103A1 (fr) * 1992-03-02 1993-09-03 Peugeot Dispositif de controle de phases d'un moteur triphase commande par un variateur electronique.
US5896260A (en) * 1996-02-05 1999-04-20 Css Power, Inc. Electronic safety break and method
JP3250648B2 (ja) * 1996-03-26 2002-01-28 富士電機株式会社 過電流引外し装置
JP3635988B2 (ja) * 1999-05-27 2005-04-06 富士電機デバイステクノロジー株式会社 半導体装置
CN115377932A (zh) * 2022-08-02 2022-11-22 浙江大华技术股份有限公司 过流保护电路及装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES468764A1 (es) * 1978-04-13 1979-10-01 Arteche Instr Sistemas Ÿnueva proteccion electrica con tiempo de retardo dependien-te de una magnitud reguladaŸ
JPS6331418A (ja) * 1986-07-24 1988-02-10 三菱電機株式会社 回路しや断器
US4827369A (en) * 1987-02-20 1989-05-02 Westinghouse Electric Corp. Circuit interrupter apparatus with a selectable display means
US4752853A (en) * 1987-02-20 1988-06-21 Westinghouse Electric Corp. Circuit interrupter apparatus with an integral trip curve display
JPH0714249B2 (ja) * 1987-06-23 1995-02-15 三菱電機株式会社 回路しゃ断器
JPH0714252B2 (ja) * 1988-02-24 1995-02-15 三菱電機株式会社 回路しゃ断器
JPH01231619A (ja) * 1988-03-11 1989-09-14 Hitachi Ltd 電子式回路遮断器の警報装置
JP2805198B2 (ja) * 1988-07-11 1998-09-30 日本テキサス・インスツルメンツ株式会社 電源回路及びその電源回路用の半導体集積回路装置

Also Published As

Publication number Publication date
KR910017750A (ko) 1991-11-05
EP0446950A2 (en) 1991-09-18
DE69114033D1 (de) 1995-11-30
DE69114033T2 (de) 1996-05-30
EP0446950B1 (en) 1995-10-25
KR940003001B1 (ko) 1994-04-09
EP0446950A3 (en) 1992-10-14
US5086366A (en) 1992-02-04
JPH03270632A (ja) 1991-12-02

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