FR2337933B1 - - Google Patents

Info

Publication number
FR2337933B1
FR2337933B1 FR7600411A FR7600411A FR2337933B1 FR 2337933 B1 FR2337933 B1 FR 2337933B1 FR 7600411 A FR7600411 A FR 7600411A FR 7600411 A FR7600411 A FR 7600411A FR 2337933 B1 FR2337933 B1 FR 2337933B1
Authority
FR
France
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
FR7600411A
Other languages
French (fr)
Other versions
FR2337933A1 (en
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.)
Legrand SA
Original Assignee
Legrand 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 Legrand SA filed Critical Legrand SA
Priority to FR7600411A priority Critical patent/FR2337933A1/en
Publication of FR2337933A1 publication Critical patent/FR2337933A1/en
Application granted granted Critical
Publication of FR2337933B1 publication Critical patent/FR2337933B1/fr
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • H01H71/12Automatic release mechanisms with or without manual release
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • H01H71/12Automatic release mechanisms with or without manual release
    • H01H71/24Electromagnetic mechanisms
    • H01H71/32Electromagnetic mechanisms having permanently magnetised part
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Emergency Protection Circuit Devices (AREA)
FR7600411A 1976-01-09 1976-01-09 High sensitivity differential relay - acts on the vectorial sum of network currents and has pinion magnification Granted FR2337933A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7600411A FR2337933A1 (en) 1976-01-09 1976-01-09 High sensitivity differential relay - acts on the vectorial sum of network currents and has pinion magnification

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7600411A FR2337933A1 (en) 1976-01-09 1976-01-09 High sensitivity differential relay - acts on the vectorial sum of network currents and has pinion magnification

Publications (2)

Publication Number Publication Date
FR2337933A1 FR2337933A1 (en) 1977-08-05
FR2337933B1 true FR2337933B1 (en) 1980-11-07

Family

ID=9167735

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7600411A Granted FR2337933A1 (en) 1976-01-09 1976-01-09 High sensitivity differential relay - acts on the vectorial sum of network currents and has pinion magnification

Country Status (1)

Country Link
FR (1) FR2337933A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES285199Y (en) * 1985-03-08 1986-12-16 Electrotecnica F. De Roda, S.A. PERFECTED LATCH FOR A DIFFERENTIAL SWITCH
FR2628261B1 (en) * 1988-03-02 1991-04-19 Legrand Sa CIRCUIT BREAKER WITH DEAD POINT MECHANISM
FR2640423B1 (en) * 1988-12-14 1991-10-04 Merlin Gerin CONTROL MECHANISM OF A MULTIPOLAR DIFFERENTIAL SWITCH WITH ROTATING SWITCHING BAR
DE4216248C2 (en) * 1992-05-16 2000-05-18 Abb Patent Gmbh Receptacle for a converter for a residual current circuit breaker and converter

Also Published As

Publication number Publication date
FR2337933A1 (en) 1977-08-05

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Legal Events

Date Code Title Description
ST Notification of lapse
CL Concession to grant licenses