IT1005938B - IMPROVEMENTS IN ELECTRICAL CIRCUIT DISCONNECTORS SUITABLE IN PARTICULAR FOR PROTECTION AGAINST CIRCUITS - Google Patents

IMPROVEMENTS IN ELECTRICAL CIRCUIT DISCONNECTORS SUITABLE IN PARTICULAR FOR PROTECTION AGAINST CIRCUITS

Info

Publication number
IT1005938B
IT1005938B IT50129/74A IT5012974A IT1005938B IT 1005938 B IT1005938 B IT 1005938B IT 50129/74 A IT50129/74 A IT 50129/74A IT 5012974 A IT5012974 A IT 5012974A IT 1005938 B IT1005938 B IT 1005938B
Authority
IT
Italy
Prior art keywords
electrical circuit
protection against
circuits
disconnectors
circuit disconnectors
Prior art date
Application number
IT50129/74A
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 JP3893473A external-priority patent/JPS49125857A/ja
Priority claimed from JP3993273A external-priority patent/JPS5344236B2/ja
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Application granted granted Critical
Publication of IT1005938B publication Critical patent/IT1005938B/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H01H71/0207—Mounting or assembling the different parts of the circuit breaker
    • 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
    • H01H73/02—Details
    • 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
    • H01H73/02—Details
    • H01H73/04—Contacts

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
IT50129/74A 1973-04-05 1974-04-04 IMPROVEMENTS IN ELECTRICAL CIRCUIT DISCONNECTORS SUITABLE IN PARTICULAR FOR PROTECTION AGAINST CIRCUITS IT1005938B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3893473A JPS49125857A (en) 1973-04-05 1973-04-05
JP3993273A JPS5344236B2 (en) 1973-04-06 1973-04-06

Publications (1)

Publication Number Publication Date
IT1005938B true IT1005938B (en) 1976-09-30

Family

ID=26378241

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50129/74A IT1005938B (en) 1973-04-05 1974-04-04 IMPROVEMENTS IN ELECTRICAL CIRCUIT DISCONNECTORS SUITABLE IN PARTICULAR FOR PROTECTION AGAINST CIRCUITS

Country Status (5)

Country Link
US (1) US3889215A (en)
DE (1) DE2416152C3 (en)
FR (2) FR2224861B1 (en)
GB (1) GB1462691A (en)
IT (1) IT1005938B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH618288A5 (en) * 1977-08-05 1980-07-15 Weber Ag Fab Elektro
FR2436491A1 (en) * 1978-09-12 1980-04-11 Merlin Gerin LOW VOLTAGE MULTIPOLAR ELECTRIC CIRCUIT BREAKER WITH AUXILIARY CONTROL BLOCKS
FR2475291A1 (en) * 1980-01-31 1981-08-07 Merlin Gerin LV multipolar differential protection switch - has spring-mounted contact arms with limited relative rotation and translation
DE3732470A1 (en) * 1987-09-23 1989-04-13 Siemens Ag MULTIPOLE LOW-VOLTAGE SWITCHGEAR WITH AN INSULATING HOUSING LOWER IN PARALLEL CHAMBERS
US5168545A (en) * 1991-02-13 1992-12-01 Robertshaw Controls Company Temperature operated control system, control device therefor, and methods of making the same
US6417749B1 (en) * 1998-09-30 2002-07-09 Rockwell Automation Technologies, Inc. Electric contactor housing

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE453465A (en) * 1942-12-05
US2443090A (en) * 1945-08-04 1948-06-08 Donald R Wise Circuit breaker
US2540491A (en) * 1946-09-17 1951-02-06 Trumbull Electric Mfg Co Electric circuit breaker
AT172562B (en) * 1951-04-18 1952-09-25 Wilhelm Leyhausen Auto switch
US2660642A (en) * 1951-08-02 1953-11-24 Gen Electric Electrical circuit breaker
US2703350A (en) * 1952-10-18 1955-03-01 Cutler Hammer Inc Manually operated switch with trip-free overload
DE1043478B (en) * 1956-06-26 1958-11-13 Voigt & Haeffner Ag Circuit breakers, in particular installation circuit breakers
US2989604A (en) * 1957-04-04 1961-06-20 Gen Electric Circuit breaker
DE1161611B (en) * 1958-11-17 1964-01-23 Licentia Gmbh Housing for an electrical switchgear
DE1199864B (en) * 1962-04-19 1965-09-02 Continental Elektronindustrie Single or multi-pole miniature circuit breaker in socket form
US3240904A (en) * 1963-08-12 1966-03-15 Gen Electric Circuit breaker assembly
DE1465514A1 (en) * 1964-10-24 1969-12-11 Eberle Werke Kg Housing for explosion-proof electrical equipment
DE1588754B2 (en) * 1967-08-23 1970-10-08 Siemens AG, 1000 Berlin u. 8OOO München Electric circuit breaker

Also Published As

Publication number Publication date
DE2416152B2 (en) 1979-06-21
US3889215A (en) 1975-06-10
DE2416152A1 (en) 1974-10-24
FR224860A (en)
FR2224861A1 (en) 1974-10-31
FR2224861B1 (en) 1978-12-29
DE2416152C3 (en) 1983-12-22
GB1462691A (en) 1977-01-26

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