GB756764A - Improvements in and relating to electric circuit breakers - Google Patents

Improvements in and relating to electric circuit breakers

Info

Publication number
GB756764A
GB756764A GB8807/54A GB880754A GB756764A GB 756764 A GB756764 A GB 756764A GB 8807/54 A GB8807/54 A GB 8807/54A GB 880754 A GB880754 A GB 880754A GB 756764 A GB756764 A GB 756764A
Authority
GB
United Kingdom
Prior art keywords
screw
plunger
plate
circuit breakers
keeper
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
GB8807/54A
Other languages
English (en)
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.)
Mechanical Products Inc
Original Assignee
Mechanical Products Inc
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 Mechanical Products Inc filed Critical Mechanical Products Inc
Publication of GB756764A publication Critical patent/GB756764A/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
    • H01H73/60—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 cartridge type, e.g. screw-in cartridge
    • 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
    • H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
    • H01H71/7427—Adjusting only the electrothermal mechanism

Landscapes

  • Breakers (AREA)
  • Thermally Actuated Switches (AREA)
GB8807/54A 1953-04-22 1954-03-25 Improvements in and relating to electric circuit breakers Expired GB756764A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US350455A US2694122A (en) 1953-04-22 1953-04-22 Electric circuit breaker

Publications (1)

Publication Number Publication Date
GB756764A true GB756764A (en) 1956-09-12

Family

ID=23376797

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8807/54A Expired GB756764A (en) 1953-04-22 1954-03-25 Improvements in and relating to electric circuit breakers

Country Status (7)

Country Link
US (1) US2694122A (en:Method)
CH (1) CH318051A (en:Method)
DE (1) DE971628C (en:Method)
ES (1) ES214844A1 (en:Method)
FR (1) FR1097554A (en:Method)
GB (1) GB756764A (en:Method)
NL (2) NL186856B (en:Method)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2859304A (en) * 1954-07-09 1958-11-04 Ite Circuit Breaker Ltd Circuit breaker
US2809255A (en) * 1955-04-12 1957-10-08 Westinghouse Electric Corp Circuit breaker
US2844690A (en) * 1956-09-17 1958-07-22 Dominick A Lombardo Circuit breaker for individual circuits
US2958748A (en) * 1959-04-27 1960-11-01 Cts Corp Combination electrical control

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE496251C (de) * 1928-07-01 1930-04-17 Wilhelm Leyhausen Thermische Ausloesevorrichtung fuer elektrische Schalter
DE538849C (de) * 1930-09-23 1931-11-19 Siemens Schuckertwerke Akt Ges Waermeausloeser mit unmittelbarer Heizung
DE649003C (de) * 1934-12-21 1937-08-12 Aeg Installationsselbstschalter mit einer Druckknopf-Klinkenfreiausloesung
US2214695A (en) * 1938-03-19 1940-09-10 Westinghouse Electric & Mfg Co Circuit breaker
US2388617A (en) * 1943-05-17 1945-11-06 Line Material Co Switch construction
US2418537A (en) * 1944-01-07 1947-04-08 Morris B Wood Electric circuit breaker
US2624816A (en) * 1945-05-09 1953-01-06 Westinghouse Electric Corp Circuit breaker
US2501363A (en) * 1946-07-20 1950-03-21 Westinghouse Electric Corp Shock-resisting thermallyresponsive device
BE486218A (en:Method) * 1947-12-10
US2573306A (en) * 1948-08-11 1951-10-30 Gen Electric Electric circuit breaker
DE1632535U (de) * 1948-10-01 1951-12-20 Ellenberger & Poensgen Installationsselbstschalter.
DE836965C (de) * 1950-03-22 1952-04-17 Elektrotechnische Spezialfabri Selbstschalter, insbesondere in Stoepselform

Also Published As

Publication number Publication date
CH318051A (fr) 1956-12-15
NL186856B (nl)
NL89251C (en:Method)
US2694122A (en) 1954-11-09
ES214844A1 (es) 1954-06-01
FR1097554A (fr) 1955-07-07
DE971628C (de) 1959-03-05

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