CA953013A - Electric circuit breaker with ground fault protection - Google Patents

Electric circuit breaker with ground fault protection

Info

Publication number
CA953013A
CA953013A CA112,744A CA112744A CA953013A CA 953013 A CA953013 A CA 953013A CA 112744 A CA112744 A CA 112744A CA 953013 A CA953013 A CA 953013A
Authority
CA
Canada
Prior art keywords
circuit breaker
electric circuit
ground fault
fault protection
protection
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
CA112,744A
Other versions
CA112744S (en
Inventor
Ellwood S. Douglas
Richard C. Doyle
David W. Nestor
Wallace W. Wahlgren
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.)
Rucker Co
Original Assignee
Rucker 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 Rucker Co filed Critical Rucker Co
Application granted granted Critical
Publication of CA953013A publication Critical patent/CA953013A/en
Expired legal-status Critical Current

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
    • H01H83/02—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
    • 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
    • H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/33—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Breakers (AREA)
CA112,744A 1970-05-11 1971-05-11 Electric circuit breaker with ground fault protection Expired CA953013A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3599370A 1970-05-11 1970-05-11

Publications (1)

Publication Number Publication Date
CA953013A true CA953013A (en) 1974-08-13

Family

ID=21885973

Family Applications (1)

Application Number Title Priority Date Filing Date
CA112,744A Expired CA953013A (en) 1970-05-11 1971-05-11 Electric circuit breaker with ground fault protection

Country Status (5)

Country Link
JP (1) JPS466675A (en)
CA (1) CA953013A (en)
FR (1) FR2088489B1 (en)
GB (1) GB1354301A (en)
ZA (1) ZA713072B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5092547A (en) * 1973-12-21 1975-07-24
JPS5759823Y2 (en) * 1975-08-16 1982-12-21
FR2604294B1 (en) * 1986-09-23 1994-05-20 Merlin Et Gerin MULTIPOLAR DIFFERENTIAL CIRCUIT BREAKER WITH MODULAR ASSEMBLY
US5179491A (en) * 1990-07-19 1993-01-12 Square D Company Plug-in circuit breaker
GB2285886A (en) * 1994-01-21 1995-07-26 Square D Co Circuit breaker
JP2872950B2 (en) * 1995-11-01 1999-03-24 日東工業株式会社 Earth leakage breaker
US7287648B2 (en) 2005-09-02 2007-10-30 Tools Aviation, Llc Battery holder and dispenser
JP2008103083A (en) * 2006-10-17 2008-05-01 Fuji Electric Fa Components & Systems Co Ltd Ground fault interrupter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1105970B (en) * 1959-10-05 1961-05-04 Busch Jaeger Duerener Metall Residual current circuit breaker for switch and counter panel installation
GB1096613A (en) * 1964-04-10 1967-12-29 M & C Switchgear Ltd Improvements in and relating to an earth leakage control circuit for a three phase electrical supply line
CH415809A (en) * 1966-01-13 1966-06-30 Gardy Particip App Overcurrent and differential action circuit breaker
FR1494850A (en) * 1966-07-25 1967-09-15 Electronique Et Nucleaire Soc Device for monitoring and locating insulation faults in a low-voltage electrical installation
DE1965784U (en) * 1967-03-14 1967-08-10 Stotz Kontakt Gmbh ELECTRIC SOCKET WITH FAULT CURRENT PROTECTION.

Also Published As

Publication number Publication date
FR2088489B1 (en) 1976-04-16
JPS466675A (en) 1971-12-13
GB1354301A (en) 1974-06-05
ZA713072B (en) 1972-01-26
FR2088489A1 (en) 1972-01-07

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