FR622741A - Improvements to electrical switches and circuit breakers - Google Patents

Improvements to electrical switches and circuit breakers

Info

Publication number
FR622741A
FR622741A FR622741DA FR622741A FR 622741 A FR622741 A FR 622741A FR 622741D A FR622741D A FR 622741DA FR 622741 A FR622741 A FR 622741A
Authority
FR
France
Prior art keywords
circuit breakers
electrical switches
switches
electrical
breakers
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR622741A publication Critical patent/FR622741A/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
FR622741D 1925-08-26 1926-08-09 Improvements to electrical switches and circuit breakers Expired FR622741A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US52670A US1784669A (en) 1925-08-26 1925-08-26 Electric switch

Publications (1)

Publication Number Publication Date
FR622741A true FR622741A (en) 1927-06-04

Family

ID=21979140

Family Applications (1)

Application Number Title Priority Date Filing Date
FR622741D Expired FR622741A (en) 1925-08-26 1926-08-09 Improvements to electrical switches and circuit breakers

Country Status (3)

Country Link
US (1) US1784669A (en)
FR (1) FR622741A (en)
GB (1) GB257583A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1019737B (en) * 1952-09-25 1957-11-21 Calor Emag Elektrizitaets Ag Power supply contact for movable switch pins in electrical switches

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1019737B (en) * 1952-09-25 1957-11-21 Calor Emag Elektrizitaets Ag Power supply contact for movable switch pins in electrical switches

Also Published As

Publication number Publication date
US1784669A (en) 1930-12-09
GB257583A (en) 1927-06-23

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