FR874607A - Improvements to circuit breakers - Google Patents

Improvements to circuit breakers

Info

Publication number
FR874607A
FR874607A FR874607DA FR874607A FR 874607 A FR874607 A FR 874607A FR 874607D A FR874607D A FR 874607DA FR 874607 A FR874607 A FR 874607A
Authority
FR
France
Prior art keywords
circuit breakers
breakers
circuit
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 FR874607A publication Critical patent/FR874607A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/38—Means for extinguishing or suppressing arc
FR874607D 1940-08-02 1941-07-30 Improvements to circuit breakers Expired FR874607A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US349847A US2309489A (en) 1940-08-02 1940-08-02 Electric circuit interrupting device

Publications (1)

Publication Number Publication Date
FR874607A true FR874607A (en) 1942-08-13

Family

ID=23374207

Family Applications (1)

Application Number Title Priority Date Filing Date
FR874607D Expired FR874607A (en) 1940-08-02 1941-07-30 Improvements to circuit breakers

Country Status (5)

Country Link
US (1) US2309489A (en)
BE (1) BE446567A (en)
DE (1) DE1003332B (en)
FR (1) FR874607A (en)
GB (1) GB548030A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3835431A (en) * 1969-09-23 1974-09-10 English Electric Co Ltd Electrical fuse

Also Published As

Publication number Publication date
BE446567A (en)
DE1003332B (en) 1957-02-28
US2309489A (en) 1943-01-26
GB548030A (en) 1942-09-22

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