GB1345693A - Vacuum circuit breaker - Google Patents

Vacuum circuit breaker

Info

Publication number
GB1345693A
GB1345693A GB1345693DA GB1345693A GB 1345693 A GB1345693 A GB 1345693A GB 1345693D A GB1345693D A GB 1345693DA GB 1345693 A GB1345693 A GB 1345693A
Authority
GB
United Kingdom
Prior art keywords
circuit breaker
vacuum circuit
vacuum
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.)
Expired
Application number
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.)
Hitachi Ltd
Original Assignee
Hitachi 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
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of GB1345693A publication Critical patent/GB1345693A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
    • H01H33/6644—Contacts; Arc-extinguishing means, e.g. arcing rings having coil-like electrical connections between contact rod and the proper contact
GB1345693D 1971-01-18 1971-01-18 Vacuum circuit breaker Expired GB1345693A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4534373 1971-01-18

Publications (1)

Publication Number Publication Date
GB1345693A true GB1345693A (en) 1974-01-30

Family

ID=10436861

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1345693D Expired GB1345693A (en) 1971-01-18 1971-01-18 Vacuum circuit breaker

Country Status (1)

Country Link
GB (1) GB1345693A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5197258U (en) * 1975-02-03 1976-08-04
EP0186030A1 (en) * 1984-12-18 1986-07-02 Siemens Aktiengesellschaft Contact disposition of a vacuum switch

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5197258U (en) * 1975-02-03 1976-08-04
EP0186030A1 (en) * 1984-12-18 1986-07-02 Siemens Aktiengesellschaft Contact disposition of a vacuum switch
US4717797A (en) * 1984-12-18 1988-01-05 Siemens Aktiengesellschaft Contact arrangement for a vacuum switching tube

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee