IT1098158B - ELECTRIC SWITCH FOR PROTECTION AGAINST DEFECT CURRENTS - Google Patents

ELECTRIC SWITCH FOR PROTECTION AGAINST DEFECT CURRENTS

Info

Publication number
IT1098158B
IT1098158B IT26862/78A IT2686278A IT1098158B IT 1098158 B IT1098158 B IT 1098158B IT 26862/78 A IT26862/78 A IT 26862/78A IT 2686278 A IT2686278 A IT 2686278A IT 1098158 B IT1098158 B IT 1098158B
Authority
IT
Italy
Prior art keywords
protection against
electric switch
against defect
defect currents
currents
Prior art date
Application number
IT26862/78A
Other languages
Italian (it)
Other versions
IT7826862A0 (en
Original Assignee
Gath Nicolas
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 Gath Nicolas filed Critical Gath Nicolas
Publication of IT7826862A0 publication Critical patent/IT7826862A0/en
Application granted granted Critical
Publication of IT1098158B publication Critical patent/IT1098158B/en

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Breakers (AREA)
  • Emergency Protection Circuit Devices (AREA)
IT26862/78A 1977-08-22 1978-08-21 ELECTRIC SWITCH FOR PROTECTION AGAINST DEFECT CURRENTS IT1098158B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU78012A LU78012A1 (en) 1977-08-22 1977-08-22 FAULT CIRCUIT BREAKER

Publications (2)

Publication Number Publication Date
IT7826862A0 IT7826862A0 (en) 1978-08-21
IT1098158B true IT1098158B (en) 1985-09-07

Family

ID=19728682

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26862/78A IT1098158B (en) 1977-08-22 1978-08-21 ELECTRIC SWITCH FOR PROTECTION AGAINST DEFECT CURRENTS

Country Status (6)

Country Link
EP (1) EP0006894B1 (en)
JP (1) JPS5453275A (en)
DE (1) DE2860745D1 (en)
IT (1) IT1098158B (en)
LU (1) LU78012A1 (en)
WO (1) WO1979000105A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU79817A1 (en) * 1978-06-15 1980-01-22 N Gath Fault current protection switch
KR101153117B1 (en) * 2011-02-25 2012-06-04 엘에스산전 주식회사 Circuit breaker

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3165671A (en) * 1960-08-10 1965-01-12 Thompson Ramo Wooldridge Inc Polyphase control device
CH406365A (en) * 1963-04-08 1966-01-31 Dresden Elektroschaltgeraete Release device for latchable switches
US3302146A (en) * 1965-03-02 1967-01-31 Ite Circuit Breaker Ltd Rotary armature flux shifting device
FR2370354A1 (en) * 1976-11-05 1978-06-02 Metalimphy Circuit breaker polarised differential trip - has several coils wound on magnetic circuit to generate differential flux of specified direction

Also Published As

Publication number Publication date
EP0006894B1 (en) 1981-06-03
IT7826862A0 (en) 1978-08-21
LU78012A1 (en) 1979-04-09
EP0006894A1 (en) 1980-01-23
DE2860745D1 (en) 1981-09-10
JPS5453275A (en) 1979-04-26
WO1979000105A1 (en) 1979-03-08

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