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FR421621A - Improvements to retarders for circuit breakers and other electrical devices - Google Patents

Improvements to retarders for circuit breakers and other electrical devices

Info

Publication number
FR421621A
FR421621A FR421621DA FR421621A FR 421621 A FR421621 A FR 421621A FR 421621D A FR421621D A FR 421621DA FR 421621 A FR421621 A FR 421621A
Authority
FR
France
Prior art keywords
retarders
circuit breakers
electrical devices
breakers
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.)
SOC IND DES TELEPHONES CONSTR
Original Assignee
SOC IND DES TELEPHONES CONSTR
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 SOC IND DES TELEPHONES CONSTR filed Critical SOC IND DES TELEPHONES CONSTR
Application granted granted Critical
Publication of FR421621A publication Critical patent/FR421621A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/44—Automatic release mechanisms with or without manual release having means for introducing a predetermined time delay
    • H01H71/443—Automatic release mechanisms with or without manual release having means for introducing a predetermined time delay with dash-pot
FR421621D 1910-10-19 1910-10-19 Improvements to retarders for circuit breakers and other electrical devices Expired FR421621A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR421621T 1910-10-19

Publications (1)

Publication Number Publication Date
FR421621A true FR421621A (en) 1911-02-27

Family

ID=1464653

Family Applications (1)

Application Number Title Priority Date Filing Date
FR421621D Expired FR421621A (en) 1910-10-19 1910-10-19 Improvements to retarders for circuit breakers and other electrical devices

Country Status (1)

Country Link
FR (1) FR421621A (en)

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