FR861797A - Improvements to automatic switching devices - Google Patents

Improvements to automatic switching devices

Info

Publication number
FR861797A
FR861797A FR861797DA FR861797A FR 861797 A FR861797 A FR 861797A FR 861797D A FR861797D A FR 861797DA FR 861797 A FR861797 A FR 861797A
Authority
FR
France
Prior art keywords
switching devices
automatic switching
automatic
devices
switching
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 des Lampes
Original Assignee
Compagnie des Lampes
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 des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR861797A publication Critical patent/FR861797A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H61/00—Electrothermal relays
    • H01H61/01—Details
    • H01H61/013—Heating arrangements for operating relays
    • H01H61/017—Heating by glow discharge or arc in confined space
FR861797D 1938-11-23 1939-11-23 Improvements to automatic switching devices Expired FR861797A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3406638A GB521618A (en) 1938-11-23 1938-11-23 Improvements in and relating to electric over-voltage protective switching devices

Publications (1)

Publication Number Publication Date
FR861797A true FR861797A (en) 1941-02-17

Family

ID=10360955

Family Applications (1)

Application Number Title Priority Date Filing Date
FR861797D Expired FR861797A (en) 1938-11-23 1939-11-23 Improvements to automatic switching devices

Country Status (2)

Country Link
FR (1) FR861797A (en)
GB (1) GB521618A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE881690C (en) * 1949-08-03 1953-07-02 Werner Dr-Ing Kluge Surge arrester with inert gas filling

Also Published As

Publication number Publication date
GB521618A (en) 1940-05-27

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