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GB563849A - Improvements in and relating to electrical circuit opening device - Google Patents

Improvements in and relating to electrical circuit opening device

Info

Publication number
GB563849A
GB563849A GB16333/42A GB1633342A GB563849A GB 563849 A GB563849 A GB 563849A GB 16333/42 A GB16333/42 A GB 16333/42A GB 1633342 A GB1633342 A GB 1633342A GB 563849 A GB563849 A GB 563849A
Authority
GB
United Kingdom
Prior art keywords
plunger
cylinder
secured
washer
foil
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
GB16333/42A
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.)
ELECTRIC TRANSMISSION Ltd
Original Assignee
ELECTRIC TRANSMISSION 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 ELECTRIC TRANSMISSION Ltd filed Critical ELECTRIC TRANSMISSION Ltd
Publication of GB563849A publication Critical patent/GB563849A/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
    • H01H73/34—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 action requiring replacement or reconditioning of a fusible or explosive part

Landscapes

  • Fuses (AREA)
  • Keying Circuit Devices (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Control Or Security For Electrophotography (AREA)
GB16333/42A 1942-11-18 1942-11-18 Improvements in and relating to electrical circuit opening device Expired GB563849A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB258691X 1942-11-18
GB150943X 1943-09-15

Publications (1)

Publication Number Publication Date
GB563849A true GB563849A (en) 1944-08-31

Family

ID=26251040

Family Applications (2)

Application Number Title Priority Date Filing Date
GB16333/42A Expired GB563849A (en) 1942-11-18 1942-11-18 Improvements in and relating to electrical circuit opening device
GB15131/43A Expired GB568373A (en) 1942-11-18 1943-09-15 Improvements in and relating to electrical circuit opening devices

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB15131/43A Expired GB568373A (en) 1942-11-18 1943-09-15 Improvements in and relating to electrical circuit opening devices

Country Status (3)

Country Link
BE (1) BE463765A (fr)
CH (1) CH258691A (fr)
GB (2) GB563849A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2892062A (en) * 1955-01-15 1959-06-23 Calor Emag Arrangement for interrupting electric currents by means of explosive material
CN114696291A (zh) * 2022-04-13 2022-07-01 国网黑龙江省电力有限公司大兴安岭供电公司 一种电力保护器的漏电防止装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1287683C2 (de) * 1965-11-09 1969-09-18 Licentia Patent-Verwaltungs-GmbH, 6000 Prankfurt Sicherung gegen Überspannungen

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2892062A (en) * 1955-01-15 1959-06-23 Calor Emag Arrangement for interrupting electric currents by means of explosive material
CN114696291A (zh) * 2022-04-13 2022-07-01 国网黑龙江省电力有限公司大兴安岭供电公司 一种电力保护器的漏电防止装置
CN114696291B (zh) * 2022-04-13 2022-11-11 国网黑龙江省电力有限公司大兴安岭供电公司 一种电力保护器的漏电防止装置

Also Published As

Publication number Publication date
GB568373A (en) 1945-03-30
BE463765A (fr)
CH258691A (de) 1948-12-15

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