DE3374487D1 - Circuit breaker with leakage current release - Google Patents

Circuit breaker with leakage current release

Info

Publication number
DE3374487D1
DE3374487D1 DE8383107884T DE3374487T DE3374487D1 DE 3374487 D1 DE3374487 D1 DE 3374487D1 DE 8383107884 T DE8383107884 T DE 8383107884T DE 3374487 T DE3374487 T DE 3374487T DE 3374487 D1 DE3374487 D1 DE 3374487D1
Authority
DE
Germany
Prior art keywords
circuit breaker
leakage current
current release
release
leakage
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
DE8383107884T
Other languages
German (de)
Inventor
Gottfried Prof Dr Biegelmeier
G R C Mcdowell
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.)
BBC Brown Boveri AG Germany
Original Assignee
Brown Boveri und Cie AG Germany
BBC Brown Boveri AG Germany
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
Priority claimed from AT314382A external-priority patent/AT374969B/en
Priority claimed from AT64083A external-priority patent/AT378444B/en
Application filed by Brown Boveri und Cie AG Germany, BBC Brown Boveri AG Germany filed Critical Brown Boveri und Cie AG Germany
Application granted granted Critical
Publication of DE3374487D1 publication Critical patent/DE3374487D1/en
Expired legal-status Critical Current

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
    • H01H71/002—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00 with provision for switching the neutral conductor
    • 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
    • H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
    • H01H83/22—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages
    • H01H83/226—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages 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
    • H01H71/002—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00 with provision for switching the neutral conductor
    • H01H2071/004—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00 with provision for switching the neutral conductor with a tripping or current sensing device in the neutral wire, e.g. for third harmonics in a three fase system
    • 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
    • H01H2083/045—Auxiliary switch opening testing circuit in synchronism with the main circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Breakers (AREA)
DE8383107884T 1982-08-19 1983-08-10 Circuit breaker with leakage current release Expired DE3374487D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT314382A AT374969B (en) 1982-08-19 1982-08-19 CIRCUIT BREAKER WITH ERROR CURRENT RELEASE
AT64083A AT378444B (en) 1983-02-24 1983-02-24 CIRCUIT BREAKER WITH A NEUTRAL CONDUCTOR AND FAULT CURRENT TRIP

Publications (1)

Publication Number Publication Date
DE3374487D1 true DE3374487D1 (en) 1987-12-17

Family

ID=25593433

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383107884T Expired DE3374487D1 (en) 1982-08-19 1983-08-10 Circuit breaker with leakage current release

Country Status (2)

Country Link
EP (1) EP0103167B1 (en)
DE (1) DE3374487D1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3412273A1 (en) * 1984-04-02 1985-10-10 Heinrich Kopp Gmbh & Co Kg, 8756 Kahl Line protection circuit breaker having a differential-current trip device
FR2578093B1 (en) * 1985-02-27 1987-03-06 Merlin Gerin UNIPOLAR AND NEUTRAL DIFFERENTIAL CIRCUIT BREAKER
FR2596916B1 (en) * 1986-04-04 1988-06-10 Telemecanique Electrique BIPOLAR CIRCUIT BREAKER WITH AUTOMATIC OR MANUAL OPENING WITH BISTABLE ELECTROMAGNET AND MAGNETIZABLE BREAKING CORE
DE8633276U1 (en) * 1986-12-12 1991-05-02 Asea Brown Boveri AG, 6800 Mannheim Circuit breaker combination
FR2662017B1 (en) * 1990-05-10 1996-07-26 Merlin Gerin SINGLE POLE, NEUTRAL DIFFERENTIAL CIRCUIT BREAKER.
FR2715517B1 (en) * 1994-01-26 1996-03-22 Merlin Gerin Differential trip unit.
DE4413418A1 (en) * 1994-04-18 1995-10-19 Abb Patent Gmbh Safety switch with line protection stage and fault current unit
PT1164615E (en) * 2000-06-14 2007-04-30 Siemens Ag Multipole circuit breaker
ITMI20080329U1 (en) * 2008-10-10 2010-04-11 Abb Spa AUTOMATIC BIPOLAR SWITCH FOR LOW VOLTAGE APPLICATIONS
CN104183434B (en) * 2014-07-16 2016-01-13 浙江天正电气股份有限公司 A kind of residual current circuit breaker with reverse wiring structure
DE202014105758U1 (en) * 2014-11-28 2015-12-03 Abb Schweiz Ag Combined line and residual current circuit breaker
CN114156702B (en) * 2021-11-26 2023-08-25 国网辽宁省电力有限公司大连供电公司 Zero line broken wire protection type power strip

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE877165C (en) * 1951-11-01 1953-05-21 Felten & Guilleaume Carlswerk Circuit breaker consisting of base and upper part
DE1169015B (en) * 1962-09-28 1964-04-30 Siemens Ag Electrical circuit breakers with overcurrent, short-circuit and residual current releases
GB1107879A (en) * 1964-04-17 1968-03-27 J A Crabtree Proprietary Ltd Improvements in or relating to earth leakage protection devices
AT317347B (en) * 1972-04-26 1974-08-26 Felten & Guilleaume Ag Oester Residual current circuit breaker with mechanical locking of the test device
DE2618288C3 (en) * 1976-04-27 1980-09-18 Brown, Boveri & Cie Ag, 6800 Mannheim Installation circuit breaker
DE3136412A1 (en) * 1981-09-14 1983-03-24 Siemens AG, 1000 Berlin und 8000 München COMBINED FAULT CURRENT AND CIRCUIT BREAKER

Also Published As

Publication number Publication date
EP0103167A1 (en) 1984-03-21
EP0103167B1 (en) 1987-11-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee