FR835824A - Improvements to electrical switches and their contacts - Google Patents

Improvements to electrical switches and their contacts

Info

Publication number
FR835824A
FR835824A FR835824DA FR835824A FR 835824 A FR835824 A FR 835824A FR 835824D A FR835824D A FR 835824DA FR 835824 A FR835824 A FR 835824A
Authority
FR
France
Prior art keywords
contacts
electrical switches
switches
electrical
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)
Inventor
George Ethelbert Whitehead
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.)
Whitehead S Electrical Inv S L
Original Assignee
Whitehead S Electrical Inv S L
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 Whitehead S Electrical Inv S L filed Critical Whitehead S Electrical Inv S L
Application granted granted Critical
Publication of FR835824A publication Critical patent/FR835824A/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
FR835824D 1937-05-07 1938-03-28 Improvements to electrical switches and their contacts Expired FR835824A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB209224X 1937-05-07

Publications (1)

Publication Number Publication Date
FR835824A true FR835824A (en) 1939-01-04

Family

ID=10154059

Family Applications (1)

Application Number Title Priority Date Filing Date
FR835824D Expired FR835824A (en) 1937-05-07 1938-03-28 Improvements to electrical switches and their contacts

Country Status (4)

Country Link
US (1) US2150089A (en)
BE (1) BE427660A (en)
CH (1) CH209224A (en)
FR (1) FR835824A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2458800A (en) * 1943-09-04 1949-01-11 Line Material Co Automatic switch construction
US4414449A (en) * 1981-05-26 1983-11-08 Brown Boveri Electric Inc. Quick open and close disconnect switch

Also Published As

Publication number Publication date
BE427660A (en)
US2150089A (en) 1939-03-07
CH209224A (en) 1940-03-31

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