GB775450A - Improvements relating to electric automatic circuit breakers - Google Patents

Improvements relating to electric automatic circuit breakers

Info

Publication number
GB775450A
GB775450A GB730755A GB730755A GB775450A GB 775450 A GB775450 A GB 775450A GB 730755 A GB730755 A GB 730755A GB 730755 A GB730755 A GB 730755A GB 775450 A GB775450 A GB 775450A
Authority
GB
United Kingdom
Prior art keywords
circuit breakers
automatic circuit
improvements relating
electric automatic
march
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
GB730755A
Inventor
Ernest Gough
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.)
WALSALL CONDUITS Ltd
Original Assignee
WALSALL CONDUITS 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 WALSALL CONDUITS Ltd filed Critical WALSALL CONDUITS Ltd
Priority to GB730755A priority Critical patent/GB775450A/en
Publication of GB775450A publication Critical patent/GB775450A/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
    • H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
    • H01H71/7427—Adjusting only the electrothermal mechanism
    • H01H71/7436—Adjusting the position (or prestrain) of the bimetal

Landscapes

  • Circuit Breakers (AREA)
  • Gas-Insulated Switchgears (AREA)
  • Air Transport Of Granular Materials (AREA)

Abstract

775,450. Automatic circuit breakers; switches held set and freed mechanically. WALSALL CONDUITS, Ltd. March 14, 1955 [March 17, 1954], No. 7307/55. Divided out of 775,449. Class 38(5) The circuit-breaker described is that of Specification 775,449, but the claims differ. Specification 775,451 also is referred to.
GB730755A 1954-03-17 1954-03-17 Improvements relating to electric automatic circuit breakers Expired GB775450A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB730755A GB775450A (en) 1954-03-17 1954-03-17 Improvements relating to electric automatic circuit breakers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB730755A GB775450A (en) 1954-03-17 1954-03-17 Improvements relating to electric automatic circuit breakers

Publications (1)

Publication Number Publication Date
GB775450A true GB775450A (en) 1957-05-22

Family

ID=9830627

Family Applications (1)

Application Number Title Priority Date Filing Date
GB730755A Expired GB775450A (en) 1954-03-17 1954-03-17 Improvements relating to electric automatic circuit breakers

Country Status (1)

Country Link
GB (1) GB775450A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3105132A (en) * 1958-12-19 1963-09-24 Gen Electric Guide means for supporting a contact cross-arm of a circuit breaker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3105132A (en) * 1958-12-19 1963-09-24 Gen Electric Guide means for supporting a contact cross-arm of a circuit breaker

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