DE3167762D1 - Low-voltage multi-pole differential switch - Google Patents

Low-voltage multi-pole differential switch

Info

Publication number
DE3167762D1
DE3167762D1 DE8181400035T DE3167762T DE3167762D1 DE 3167762 D1 DE3167762 D1 DE 3167762D1 DE 8181400035 T DE8181400035 T DE 8181400035T DE 3167762 T DE3167762 T DE 3167762T DE 3167762 D1 DE3167762 D1 DE 3167762D1
Authority
DE
Germany
Prior art keywords
low
differential switch
voltage multi
pole differential
pole
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
DE8181400035T
Other languages
German (de)
English (en)
Inventor
Michel Bonniau
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.)
Merlin Gerin SA
Original Assignee
Merlin Gerin SA
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 Merlin Gerin SA filed Critical Merlin Gerin SA
Application granted granted Critical
Publication of DE3167762D1 publication Critical patent/DE3167762D1/de
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
    • H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
    • H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Breakers (AREA)
  • Keying Circuit Devices (AREA)
DE8181400035T 1980-01-31 1981-01-13 Low-voltage multi-pole differential switch Expired DE3167762D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8002327A FR2475291A1 (fr) 1980-01-31 1980-01-31 Interrupteur differentiel multipolaire pour reseau a basse tension

Publications (1)

Publication Number Publication Date
DE3167762D1 true DE3167762D1 (en) 1985-01-31

Family

ID=9238158

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181400035T Expired DE3167762D1 (en) 1980-01-31 1981-01-13 Low-voltage multi-pole differential switch

Country Status (5)

Country Link
EP (1) EP0033671B1 (OSRAM)
DE (1) DE3167762D1 (OSRAM)
ES (1) ES8201357A1 (OSRAM)
FR (1) FR2475291A1 (OSRAM)
YU (1) YU40245B (OSRAM)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2500209A1 (fr) * 1981-02-18 1982-08-20 Merlin Gerin Adaptateur a interrupteur differentiel
US4641217A (en) * 1985-05-31 1987-02-03 General Electric Company Two pole ground fault circuit breaker
EP0530392B1 (de) * 1991-09-02 1994-12-07 Siemens Aktiengesellschaft Fehlerstromschutzschalter
FR2923939A1 (fr) * 2007-11-16 2009-05-22 Schneider Electric Ind Sas Appareil de coupure electrique

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR224860A (OSRAM) * 1973-04-05
DE2440048C3 (de) * 1974-08-21 1979-09-06 Condor-Werk Gebr. Frede Kg, Elektro- Und Maschinenfabrik, 4415 Westkirchen Fehlerstrom-Schutzschalter
DE2706647A1 (de) * 1977-02-17 1978-08-24 Bbc Brown Boveri & Cie Fehlerstromschutzschalter

Also Published As

Publication number Publication date
YU40245B (en) 1985-08-31
EP0033671A2 (fr) 1981-08-12
FR2475291B1 (OSRAM) 1982-09-03
EP0033671A3 (en) 1981-08-26
ES498187A0 (es) 1981-12-16
FR2475291A1 (fr) 1981-08-07
EP0033671B1 (fr) 1984-12-19
YU21381A (en) 1983-06-30
ES8201357A1 (es) 1981-12-16

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee