FR872891A - Electric switch operated with compressed air - Google Patents

Electric switch operated with compressed air

Info

Publication number
FR872891A
FR872891A FR872891DA FR872891A FR 872891 A FR872891 A FR 872891A FR 872891D A FR872891D A FR 872891DA FR 872891 A FR872891 A FR 872891A
Authority
FR
France
Prior art keywords
compressed air
electric switch
switch operated
operated
electric
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
Other languages
French (fr)
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.)
ABB Norden Holding AB
Original Assignee
ASEA AB
Allmanna Svenska Elektriska AB
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 ASEA AB, Allmanna Svenska Elektriska AB filed Critical ASEA AB
Application granted granted Critical
Publication of FR872891A publication Critical patent/FR872891A/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
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
FR872891D 1940-06-07 1941-06-05 Electric switch operated with compressed air Expired FR872891A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE546399X 1940-06-07

Publications (1)

Publication Number Publication Date
FR872891A true FR872891A (en) 1942-06-22

Family

ID=20311699

Family Applications (1)

Application Number Title Priority Date Filing Date
FR872891D Expired FR872891A (en) 1940-06-07 1941-06-05 Electric switch operated with compressed air

Country Status (2)

Country Link
FR (1) FR872891A (en)
GB (1) GB546399A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL73206C (en) * 1948-07-23
US3164705A (en) * 1961-03-01 1965-01-05 Westinghouse Electric Corp Fluid-blast circuit interrupters with retractable impedance probe
US3333077A (en) * 1964-11-19 1967-07-25 Westinghouse Electric Corp Compressed-gas circuit breaker having contacting interrupting and isolating contactswith sequential operation

Also Published As

Publication number Publication date
GB546399A (en) 1942-07-10

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