[go: up one dir, main page]

YU21381A - Differential multiple low voltage interrupter - Google Patents

Differential multiple low voltage interrupter

Info

Publication number
YU21381A
YU21381A YU21381A YU21381A YU21381A YU 21381 A YU21381 A YU 21381A YU 21381 A YU21381 A YU 21381A YU 21381 A YU21381 A YU 21381A YU 21381 A YU21381 A YU 21381A
Authority
YU
Yugoslavia
Prior art keywords
low voltage
multiple low
differential multiple
voltage interrupter
interrupter
Prior art date
Application number
YU21381A
Other versions
YU40245B (en
Inventor
M Bonniau
Original Assignee
Merlin Gerin
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 filed Critical Merlin Gerin
Publication of YU21381A publication Critical patent/YU21381A/en
Publication of YU40245B publication Critical patent/YU40245B/en

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/14Protective 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
    • H01H83/144Protective 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00Contacts
    • H01H1/58Electric connections to or between contacts; Terminals

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Keying Circuit Devices (AREA)
YU21381A 1980-01-31 1981-01-27 Differential multipole low--voltage interrupter YU40245B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8002327A FR2475291A1 (en) 1980-01-31 1980-01-31 LV multipolar differential protection switch - has spring-mounted contact arms with limited relative rotation and translation

Publications (2)

Publication Number Publication Date
YU21381A true YU21381A (en) 1983-06-30
YU40245B YU40245B (en) 1985-08-31

Family

ID=9238158

Family Applications (1)

Application Number Title Priority Date Filing Date
YU21381A YU40245B (en) 1980-01-31 1981-01-27 Differential multipole low--voltage interrupter

Country Status (5)

Country Link
EP (1) EP0033671B1 (en)
DE (1) DE3167762D1 (en)
ES (1) ES498187A0 (en)
FR (1) FR2475291A1 (en)
YU (1) YU40245B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2500209A1 (en) * 1981-02-18 1982-08-20 Merlin Gerin DIFFERENTIAL SWITCH ADAPTER
US4641217A (en) * 1985-05-31 1987-02-03 General Electric Company Two pole ground fault circuit breaker
DE59103821D1 (en) * 1991-09-02 1995-01-19 Siemens Ag Residual current circuit breaker.
FR2923939A1 (en) 2007-11-16 2009-05-22 Schneider Electric Ind Sas ELECTRIC CUTTING APPARATUS

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR224860A (en) * 1973-04-05
DE2440048C3 (en) * 1974-08-21 1979-09-06 Condor-Werk Gebr. Frede Kg, Elektro- Und Maschinenfabrik, 4415 Westkirchen Residual current circuit breaker
DE2706647A1 (en) * 1977-02-17 1978-08-24 Bbc Brown Boveri & Cie Faulty current protective circuit breaker - has stationary support for current supply to moving contact lever, coacting with lever conductive surface

Also Published As

Publication number Publication date
EP0033671A2 (en) 1981-08-12
YU40245B (en) 1985-08-31
ES8201357A1 (en) 1981-12-16
ES498187A0 (en) 1981-12-16
FR2475291B1 (en) 1982-09-03
EP0033671A3 (en) 1981-08-26
EP0033671B1 (en) 1984-12-19
DE3167762D1 (en) 1985-01-31
FR2475291A1 (en) 1981-08-07

Similar Documents

Publication Publication Date Title
JPS56143632A (en) 4-pole low voltage breaker
DE3369615D1 (en) Differential voltage amplifier
GB2113928B (en) Differential fault current protection
DE3169231D1 (en) Vacuum interrupter
AU541691B2 (en) Earth leakage current breaker
DE3173171D1 (en) Vacuum interrupter
DE3170888D1 (en) Vacuum interrupter
DE3567994D1 (en) Differential current protective interrupter
GB2068669B (en) Differential switching circuit
YU21381A (en) Differential multiple low voltage interrupter
AU6651881A (en) Asymmetrical arrangement of busbars
YU39698B (en) High voltage interrupter
JPS56132846A (en) Line interrupter
JPS5733488A (en) Voltage dividing circuit
JPS5713923A (en) Line voltage drop compensater
AU542438B2 (en) Electrical switch
JPS5733811A (en) Voltage follower circuit
JPS57167078A (en) Low voltage deflection circuit
JPS56109419A (en) Vacuum interrupter
JPS56103838A (en) Breaker
DE3570560D1 (en) Differential current protection interrupter
JPS5795033A (en) Current breaker
JPS5795022A (en) Current limiting breaker
AU7358481A (en) Low current limiting fuse
JPS5763824A (en) Porcelain condenser