IT1005939B - IMPROVEMENT IN ELECTRICAL CIRCUIT DISCONNECTORS - Google Patents

IMPROVEMENT IN ELECTRICAL CIRCUIT DISCONNECTORS

Info

Publication number
IT1005939B
IT1005939B IT50130/74A IT5013074A IT1005939B IT 1005939 B IT1005939 B IT 1005939B IT 50130/74 A IT50130/74 A IT 50130/74A IT 5013074 A IT5013074 A IT 5013074A IT 1005939 B IT1005939 B IT 1005939B
Authority
IT
Italy
Prior art keywords
improvement
electrical circuit
disconnectors
circuit disconnectors
electrical
Prior art date
Application number
IT50130/74A
Other languages
Italian (it)
Original Assignee
Matsushita Electric Works Ltd
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
Priority claimed from JP3993873A external-priority patent/JPS5344238B2/ja
Priority claimed from JP3993573A external-priority patent/JPS49125867A/ja
Priority claimed from JP3993473A external-priority patent/JPS5344237B2/ja
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Application granted granted Critical
Publication of IT1005939B publication Critical patent/IT1005939B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/36—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electromagnetic release and no other automatic release
    • H01H73/42—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electromagnetic release and no other automatic release reset by rotatable knob or wheel

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
IT50130/74A 1973-04-06 1974-04-04 IMPROVEMENT IN ELECTRICAL CIRCUIT DISCONNECTORS IT1005939B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP3993873A JPS5344238B2 (en) 1973-04-06 1973-04-06
JP3993573A JPS49125867A (en) 1973-04-06 1973-04-06
JP3993473A JPS5344237B2 (en) 1973-04-06 1973-04-06

Publications (1)

Publication Number Publication Date
IT1005939B true IT1005939B (en) 1976-09-30

Family

ID=27290312

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50130/74A IT1005939B (en) 1973-04-06 1974-04-04 IMPROVEMENT IN ELECTRICAL CIRCUIT DISCONNECTORS

Country Status (4)

Country Link
US (1) US3851284A (en)
FR (2) FR2224860B1 (en)
GB (1) GB1462692A (en)
IT (1) IT1005939B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1137121B (en) * 1981-04-02 1986-09-03 Sace Spa ELECTRIC SWITCH, PARTICULARLY CURRENT LIMITER
US5241290A (en) * 1991-12-20 1993-08-31 Square D Company Compact circuit breaker
US5427693A (en) * 1992-02-10 1995-06-27 O-Three Limited Modular ozone water treatment apparatus and associated method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3204063A (en) * 1962-09-19 1965-08-31 Mc Graw Edison Co Thermal current responsive circuit breaker
US3742401A (en) * 1972-07-27 1973-06-26 Ite Imperial Corp Multi pole latch system having means to defeat single pole latching

Also Published As

Publication number Publication date
DE2416153A1 (en) 1974-10-24
FR224861A (en)
DE2416153B2 (en) 1976-09-23
US3851284A (en) 1974-11-26
GB1462692A (en) 1977-01-26
FR2224860B1 (en) 1978-08-11
FR2224860A1 (en) 1974-10-31

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