FR570602A - Improvements to electrical switches - Google Patents

Improvements to electrical switches

Info

Publication number
FR570602A
FR570602A FR570602DA FR570602A FR 570602 A FR570602 A FR 570602A FR 570602D A FR570602D A FR 570602DA FR 570602 A FR570602 A FR 570602A
Authority
FR
France
Prior art keywords
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)
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 FR570602A publication Critical patent/FR570602A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02Details
    • H01H33/04Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/12Auxiliary contacts on to which the arc is transferred from the main contacts
FR570602D 1922-06-23 1923-06-22 Improvements to electrical switches Expired FR570602A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US570394A US1628405A (en) 1922-06-23 1922-06-23 Electric switch

Publications (1)

Publication Number Publication Date
FR570602A true FR570602A (en) 1924-05-05

Family

ID=26261482

Family Applications (1)

Application Number Title Priority Date Filing Date
FR570602D Expired FR570602A (en) 1922-06-23 1923-06-22 Improvements to electrical switches

Country Status (4)

Country Link
US (1) US1628405A (en)
DE (1) DE395097C (en)
FR (1) FR570602A (en)
GB (1) GB204592A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE744294C (en) * 1941-05-07 1944-01-13 Landis & Gyr Ag Contact arrangement on installation circuit breakers

Also Published As

Publication number Publication date
DE395097C (en) 1924-05-07
GB204592A (en) 1923-10-04
US1628405A (en) 1927-05-10

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