IT1051802B - Interruttore elettrico sotto vuoto per corrente elevata - Google Patents

Interruttore elettrico sotto vuoto per corrente elevata

Info

Publication number
IT1051802B
IT1051802B IT29913/75A IT2991375A IT1051802B IT 1051802 B IT1051802 B IT 1051802B IT 29913/75 A IT29913/75 A IT 29913/75A IT 2991375 A IT2991375 A IT 2991375A IT 1051802 B IT1051802 B IT 1051802B
Authority
IT
Italy
Prior art keywords
high current
electric switch
vacuum electric
vacuum
switch
Prior art date
Application number
IT29913/75A
Other languages
English (en)
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Application granted granted Critical
Publication of IT1051802B publication Critical patent/IT1051802B/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/02—Contacts characterised by the material thereof
    • H01H1/0203—Contacts characterised by the material thereof specially adapted for vacuum switches
IT29913/75A 1974-12-03 1975-12-02 Interruttore elettrico sotto vuoto per corrente elevata IT1051802B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/529,178 US4028514A (en) 1974-12-03 1974-12-03 High current vacuum circuit interrupter with beryllium contact

Publications (1)

Publication Number Publication Date
IT1051802B true IT1051802B (it) 1981-05-20

Family

ID=24108836

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29913/75A IT1051802B (it) 1974-12-03 1975-12-02 Interruttore elettrico sotto vuoto per corrente elevata

Country Status (13)

Country Link
US (1) US4028514A (it)
JP (1) JPS5952501B2 (it)
AU (1) AU508218B2 (it)
BR (1) BR7507813A (it)
CA (1) CA1068753A (it)
CH (1) CH608649A5 (it)
DE (1) DE2552791A1 (it)
ES (1) ES442859A1 (it)
FR (1) FR2293779A1 (it)
GB (1) GB1533403A (it)
IT (1) IT1051802B (it)
SE (1) SE413957B (it)
ZA (1) ZA756917B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5530174A (en) * 1978-08-25 1980-03-03 Mitsubishi Electric Corp Vacuum breaker
DE3501603A1 (de) * 1984-02-02 1985-08-01 Westinghouse Electric Corp., Pittsburgh, Pa. Niederspannung-hochfrequenz-vakuumschalter
DE3435637A1 (de) * 1984-09-28 1986-04-10 Calor-Emag Elektrizitäts-Aktiengesellschaft, 4030 Ratingen Kontaktanordnung fuer vakuumschalter
JPH0127205Y2 (it) * 1985-02-01 1989-08-15
GB2341491B (en) * 1998-08-21 2001-04-18 Alstom Uk Ltd Improvements in contact electrodes

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2949520A (en) * 1958-04-23 1960-08-16 Gen Electric Contact structure for an electric circuit interrupter
US3234351A (en) * 1961-10-19 1966-02-08 Gen Electric Vacuum devices having arc electrodes free of adsorbed gas and gas-forming constituents
GB1020914A (en) * 1961-11-10 1966-02-23 Gen Electric Improvements in vacuum circuit interrupter
DE1251406B (it) * 1962-01-24
US3327081A (en) * 1964-11-25 1967-06-20 Allis Chalmers Mfg Co Contact with high resistance material insert
US3497755A (en) * 1966-07-01 1970-02-24 Gen Electric Vacuum devices with electrode members containing oxygen - reactive minor constitutent
US3546407A (en) * 1967-08-15 1970-12-08 Gen Electric Vacuum-type circuit interrupter
US3522399A (en) * 1968-03-08 1970-07-28 Gen Electric Vacuum-type circuit interrupter with contacts having particularly shaped circumferentially spaced slots
US3624325A (en) * 1969-12-29 1971-11-30 Helen W Horn Vacuum-type circuit interrupter with weld-resistant contact material consisting essentially of copper and beryllium
US3821505A (en) * 1972-05-18 1974-06-28 English Electric Co Ltd Vacuum type electric circuit interrupting devices
US3825789A (en) * 1973-06-29 1974-07-23 Gen Electric Vacuum arc devices with hard, ductile, ferrous electrodes

Also Published As

Publication number Publication date
DE2552791A1 (de) 1976-06-10
ES442859A1 (es) 1977-04-01
CA1068753A (en) 1979-12-25
ZA756917B (en) 1976-10-27
BR7507813A (pt) 1976-08-24
AU8641375A (en) 1978-04-06
CH608649A5 (it) 1979-01-15
GB1533403A (en) 1978-11-22
AU508218B2 (en) 1980-03-13
SE413957B (sv) 1980-06-30
FR2293779A1 (fr) 1976-07-02
SE7513509L (sv) 1976-06-04
JPS5177866A (it) 1976-07-06
FR2293779B1 (it) 1981-07-31
US4028514A (en) 1977-06-07
JPS5952501B2 (ja) 1984-12-20

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