DE2966653D1 - Circuit breaker having an electronic fault sensing and trip initiating unit - Google Patents

Circuit breaker having an electronic fault sensing and trip initiating unit

Info

Publication number
DE2966653D1
DE2966653D1 DE7979900295T DE2966653T DE2966653D1 DE 2966653 D1 DE2966653 D1 DE 2966653D1 DE 7979900295 T DE7979900295 T DE 7979900295T DE 2966653 T DE2966653 T DE 2966653T DE 2966653 D1 DE2966653 D1 DE 2966653D1
Authority
DE
Germany
Prior art keywords
circuit breaker
initiating unit
fault sensing
electronic fault
trip initiating
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
Application number
DE7979900295T
Other languages
English (en)
Inventor
Henry Zylstra
Ronald Borrett
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.)
Schneider Electric USA Inc
Original Assignee
Square D Co
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 Square D Co filed Critical Square D Co
Application granted granted Critical
Publication of DE2966653D1 publication Critical patent/DE2966653D1/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
    • H02H5/047—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using a temperature responsive switch
    • 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
    • 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
    • H02H3/05—Details with means for increasing reliability, e.g. redundancy arrangements
    • 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
    • H02H3/08—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
    • H02H3/10—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 additionally responsive to some other abnormal electrical conditions
    • H02H3/105—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 additionally responsive to some other abnormal electrical conditions responsive to excess current and fault current to earth
DE7979900295T 1978-03-15 1979-03-14 Circuit breaker having an electronic fault sensing and trip initiating unit Expired DE2966653D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/886,712 US4209818A (en) 1978-03-15 1978-03-15 Circuit breaker having an electronic fault sensing and trip initiating unit
PCT/US1979/000154 WO1979000769A1 (en) 1978-03-15 1979-03-14 Circuit breaker having an electronic fault sensing and trip initiating unit

Publications (1)

Publication Number Publication Date
DE2966653D1 true DE2966653D1 (en) 1984-03-22

Family

ID=25389591

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979900295T Expired DE2966653D1 (en) 1978-03-15 1979-03-14 Circuit breaker having an electronic fault sensing and trip initiating unit

Country Status (7)

Country Link
US (1) US4209818A (de)
EP (1) EP0012754B1 (de)
AU (1) AU523787B2 (de)
CA (1) CA1129060A (de)
DE (1) DE2966653D1 (de)
MX (1) MX147534A (de)
WO (1) WO1979000769A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4266259A (en) * 1979-09-04 1981-05-05 General Electric Company Long-time and short-time overcurrent signal processor for circuit breaker static trip units
US4445183A (en) * 1981-12-23 1984-04-24 Rockwell International Corporation Electrical switch
FR2581265B1 (fr) * 1985-04-29 1994-03-04 Merlin Et Gerin Declencheur a image thermique
FR2592998B1 (fr) * 1986-01-10 1988-03-18 Merlin Gerin Circuit test pour un declencheur electronique d'un disjoncteur differentiel.
DE3688838T2 (de) * 1986-01-10 1994-03-03 Merlin Gerin Statischer Auslöser mit Testschaltung für elektrischen Leistungsschalter.
FR2592997B1 (fr) * 1986-01-10 1993-02-12 Merlin Gerin Declencheur statique a circuit de test pour disjoncteur electrique.
US5166887A (en) * 1988-03-31 1992-11-24 Square D Company Microcomputer-controlled circuit breaker system
US4858056A (en) * 1988-06-06 1989-08-15 General Electric Company Molded case circuit breaker actuator-accessory module
US5136458A (en) * 1989-08-31 1992-08-04 Square D Company Microcomputer based electronic trip system for circuit breakers
US5331501A (en) * 1992-09-30 1994-07-19 Westinghouse Electric Corp. Electrical switching apparatus with digital trip unit and memory reset
FR2774822B1 (fr) † 1998-02-11 2000-03-17 Schneider Electric Ind Sa Dispositif de protection differentielle
US8254072B2 (en) * 2009-11-05 2012-08-28 Schneider Electric USA, Inc. Electrical load center
FR3100654B1 (fr) * 2019-09-05 2021-09-17 Schneider Electric Ind Sas Module électronique auxiliaire de protection et dispositif de disjonction associé

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3786311A (en) * 1973-01-02 1974-01-15 Gen Electric Circuit breaker and static trip circuit therefor
US4105965A (en) * 1977-07-14 1978-08-08 General Electric Company Static trip circuit breaker test set

Also Published As

Publication number Publication date
CA1129060A (en) 1982-08-03
EP0012754B1 (de) 1984-02-15
WO1979000769A1 (en) 1979-10-04
AU4512879A (en) 1979-09-20
AU523787B2 (en) 1982-08-12
EP0012754A1 (de) 1980-07-09
MX147534A (es) 1982-12-13
US4209818A (en) 1980-06-24

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee
8370 Indication of lapse of patent is to be deleted
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8339 Ceased/non-payment of the annual fee