JPS5453275A - Leak circuit breaker - Google Patents

Leak circuit breaker

Info

Publication number
JPS5453275A
JPS5453275A JP10224478A JP10224478A JPS5453275A JP S5453275 A JPS5453275 A JP S5453275A JP 10224478 A JP10224478 A JP 10224478A JP 10224478 A JP10224478 A JP 10224478A JP S5453275 A JPS5453275 A JP S5453275A
Authority
JP
Japan
Prior art keywords
circuit breaker
leak circuit
leak
breaker
circuit
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.)
Pending
Application number
JP10224478A
Other languages
Japanese (ja)
Inventor
Gaato Nikorasu
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of JPS5453275A publication Critical patent/JPS5453275A/en
Pending 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 unbalance 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 unbalance 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)
JP10224478A 1977-08-22 1978-08-22 Leak circuit breaker Pending JPS5453275A (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 (1)

Publication Number Publication Date
JPS5453275A true JPS5453275A (en) 1979-04-26

Family

ID=19728682

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10224478A Pending JPS5453275A (en) 1977-08-22 1978-08-22 Leak circuit breaker

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
IT7826862A0 (en) 1978-08-21
EP0006894B1 (en) 1981-06-03
WO1979000105A1 (en) 1979-03-08
DE2860745D1 (en) 1981-09-10
EP0006894A1 (en) 1980-01-23
IT1098158B (en) 1985-09-07
LU78012A1 (en) 1979-04-09

Similar Documents

Publication Publication Date Title
DE2860124D1 (en) Fluid-blast circuit breaker
JPS53127685A (en) 33phase circuit breaker
JPS5449571A (en) Leak circuit breaker
JPS5490583A (en) Leak breaker
JPS5450884A (en) Circuit breaker
JPS5437238A (en) Circuit breaker
JPS5453275A (en) Leak circuit breaker
JPS5442655A (en) Circuit breaker
JPS5450880A (en) Circuit breaker
JPS5393373A (en) Circuit breaker
JPS5441474A (en) Circuit breaker
JPS547580A (en) Circuit breaker
JPS5427963A (en) Circuit breaker
JPS53122779A (en) Circuit breaker
JPS5412478A (en) Circuit breaker
JPS5412476A (en) Circuit breaker
JPS5435375A (en) Circuit breaker
JPS5463379A (en) Circuit breaker
JPS53139184A (en) Circuit breaker
JPS549780A (en) Circuit breaker
JPS53147975A (en) Circuit breaker
JPS5489282A (en) Circuit breaker
JPS53103169A (en) Circuit breaker
JPS5450879A (en) Circuit breaker
JPS53101681A (en) Circuit breaker