GB2006527B - Electric circuit breaker contact arm mounting - Google Patents

Electric circuit breaker contact arm mounting

Info

Publication number
GB2006527B
GB2006527B GB7833565A GB7833565A GB2006527B GB 2006527 B GB2006527 B GB 2006527B GB 7833565 A GB7833565 A GB 7833565A GB 7833565 A GB7833565 A GB 7833565A GB 2006527 B GB2006527 B GB 2006527B
Authority
GB
United Kingdom
Prior art keywords
circuit breaker
electric circuit
contact arm
arm mounting
breaker contact
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
GB7833565A
Other versions
GB2006527A (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.)
Dorman Smith Switchgear Ltd
Original Assignee
Dorman Smith Switchgear 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 Dorman Smith Switchgear Ltd filed Critical Dorman Smith Switchgear Ltd
Priority to GB7833565A priority Critical patent/GB2006527B/en
Publication of GB2006527A publication Critical patent/GB2006527A/en
Application granted granted Critical
Publication of GB2006527B publication Critical patent/GB2006527B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/22—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact
    • H01H1/221—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact and a contact pressure spring acting between the pivoted member and a supporting member
    • H01H1/225—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact and a contact pressure spring acting between the pivoted member and a supporting member the supporting member being pivotable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H2009/305—Means for extinguishing or preventing arc between current-carrying parts including means for screening for arc gases as protection of mechanism against hot arc gases or for keeping arc gases in the arc chamber
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H77/00—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting
    • H01H77/02—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism
    • H01H77/10—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening
    • H01H77/102—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening characterised by special mounting of contact arm, allowing blow-off movement
    • H01H77/104—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening characterised by special mounting of contact arm, allowing blow-off movement with a stable blow-off position
GB7833565A 1977-10-21 1978-08-16 Electric circuit breaker contact arm mounting Expired GB2006527B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7833565A GB2006527B (en) 1977-10-21 1978-08-16 Electric circuit breaker contact arm mounting

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4382977 1977-10-21
GB7833565A GB2006527B (en) 1977-10-21 1978-08-16 Electric circuit breaker contact arm mounting

Publications (2)

Publication Number Publication Date
GB2006527A GB2006527A (en) 1979-05-02
GB2006527B true GB2006527B (en) 1982-03-17

Family

ID=26265249

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7833565A Expired GB2006527B (en) 1977-10-21 1978-08-16 Electric circuit breaker contact arm mounting

Country Status (1)

Country Link
GB (1) GB2006527B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4644121A (en) * 1985-06-05 1987-02-17 Westinghouse Electric Corp. Circuit breaker contact arm with variable force pivot
US5874699A (en) * 1997-09-18 1999-02-23 Eaton Corporation Molded case circuit breaker and moving conductor assembly therefor
DE19836754B4 (en) * 1998-08-13 2006-10-05 Aeg Niederspannungstechnik Gmbh & Co Kg Switch shaft unit for switches
ITBG20050024A1 (en) 2005-05-13 2006-11-14 Abb Service Srl SWITCH INSTALLABLE ACCORDING TO DIFFERENT OPERATIONAL CONFIGURATIONS
ITBG20050025A1 (en) 2005-05-13 2006-11-14 Abb Service Srl SWITCH WITH IMPROVED INTERCHANGEABILITY CHARACTERISTICS OF THE COMMAND.
ITBG20050026A1 (en) 2005-05-13 2006-11-14 Abb Service Srl SWITCH WITH MOBILE CREW SUSPENDED
CN103985568B (en) * 2014-06-04 2016-02-10 无锡新宏泰电器科技股份有限公司 The dropproof double break contact structure of a kind of constant pressure

Also Published As

Publication number Publication date
GB2006527A (en) 1979-05-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee