GB929978A - Automatic electric circuit breaker - Google Patents

Automatic electric circuit breaker

Info

Publication number
GB929978A
GB929978A GB4515362A GB4515362A GB929978A GB 929978 A GB929978 A GB 929978A GB 4515362 A GB4515362 A GB 4515362A GB 4515362 A GB4515362 A GB 4515362A GB 929978 A GB929978 A GB 929978A
Authority
GB
United Kingdom
Prior art keywords
circuit breaker
electric circuit
automatic electric
automatic
edison
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
GB4515362A
Inventor
William Hart Nash
Edward Walter Kaminsky
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.)
McGraw Edison Co
Original Assignee
McGraw Edison Co
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 McGraw Edison Co filed Critical McGraw Edison Co
Priority to GB4515362A priority Critical patent/GB929978A/en
Publication of GB929978A publication Critical patent/GB929978A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/22—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electrothermal release and no other automatic release
    • H01H73/24—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electrothermal release and no other automatic release reset by lever

Abstract

929,978. Automatic circuit-breakers; mechanical switches. McGRAW-EDISON CO. Oct. 24, 1960, No. 45153/62. Divided out of 929.977. Drawings to Specification. Class 38 (5). The subject-matter of this Specification is identical with that of Specification 929,977, but the claims differ.
GB4515362A 1960-10-24 1960-10-24 Automatic electric circuit breaker Expired GB929978A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4515362A GB929978A (en) 1960-10-24 1960-10-24 Automatic electric circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4515362A GB929978A (en) 1960-10-24 1960-10-24 Automatic electric circuit breaker

Publications (1)

Publication Number Publication Date
GB929978A true GB929978A (en) 1963-06-26

Family

ID=10436089

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4515362A Expired GB929978A (en) 1960-10-24 1960-10-24 Automatic electric circuit breaker

Country Status (1)

Country Link
GB (1) GB929978A (en)

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