GB244098A - Improvements in and relating to electric switches - Google Patents

Improvements in and relating to electric switches

Info

Publication number
GB244098A
GB244098A GB30445/25A GB3044525A GB244098A GB 244098 A GB244098 A GB 244098A GB 30445/25 A GB30445/25 A GB 30445/25A GB 3044525 A GB3044525 A GB 3044525A GB 244098 A GB244098 A GB 244098A
Authority
GB
United Kingdom
Prior art keywords
contact
arm
circuit
spring
movement
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
GB30445/25A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co Ltd
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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB244098A publication Critical patent/GB244098A/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
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/26—Electromagnetic mechanisms with windings acting in opposition
    • 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
    • H01H73/36—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 electromagnetic release and no other automatic release
    • H01H73/38—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 electromagnetic release and no other automatic release reset by lever
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/0253—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch two co-operating contacts actuated independently

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Breakers (AREA)
GB30445/25A 1924-12-06 1925-12-02 Improvements in and relating to electric switches Expired GB244098A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US754397A US1669106A (en) 1924-12-06 1924-12-06 Electric switch

Publications (1)

Publication Number Publication Date
GB244098A true GB244098A (en) 1926-10-21

Family

ID=25034618

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30445/25A Expired GB244098A (en) 1924-12-06 1925-12-02 Improvements in and relating to electric switches

Country Status (3)

Country Link
US (1) US1669106A (ja)
BE (1) BE331741A (ja)
GB (1) GB244098A (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2458014A (en) * 1944-05-15 1949-01-04 Milwaukee Gas Specialty Co Thermocouple safety pilot switch
US2795671A (en) * 1952-07-17 1957-06-11 Westinghouse Electric Corp Circuit breakers
US2821600A (en) * 1953-08-14 1958-01-28 Ite Circuit Breaker Ltd Circuit breaker operating mechanism
US2875381A (en) * 1953-11-27 1959-02-24 Westinghouse Electric Corp Automatic reclosers and sectionalizers
US3048679A (en) * 1959-11-09 1962-08-07 Ite Circuit Breaker Ltd Trip system for high speed circuit breakers

Also Published As

Publication number Publication date
BE331741A (ja)
US1669106A (en) 1928-05-08

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