CA1252137A - Circuit breaker with arm latch for high interrupting capacity - Google Patents

Circuit breaker with arm latch for high interrupting capacity

Info

Publication number
CA1252137A
CA1252137A CA000507470A CA507470A CA1252137A CA 1252137 A CA1252137 A CA 1252137A CA 000507470 A CA000507470 A CA 000507470A CA 507470 A CA507470 A CA 507470A CA 1252137 A CA1252137 A CA 1252137A
Authority
CA
Canada
Prior art keywords
circuit breaker
contacts
pivot
contact
spring
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
CA000507470A
Other languages
English (en)
French (fr)
Inventor
David A. Leone
Douglas C. Marks
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of CA1252137A publication Critical patent/CA1252137A/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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
CA000507470A 1985-05-01 1986-04-24 Circuit breaker with arm latch for high interrupting capacity Expired CA1252137A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US729,436 1985-05-01
US06/729,436 US4635011A (en) 1985-05-01 1985-05-01 Circuit breaker with arm latch for high interrupting capacity

Publications (1)

Publication Number Publication Date
CA1252137A true CA1252137A (en) 1989-04-04

Family

ID=24931013

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000507470A Expired CA1252137A (en) 1985-05-01 1986-04-24 Circuit breaker with arm latch for high interrupting capacity

Country Status (8)

Country Link
US (1) US4635011A (,)
JP (1) JP2704221B2 (,)
KR (1) KR940004036B1 (,)
AU (1) AU581591B2 (,)
CA (1) CA1252137A (,)
ES (1) ES293881Y (,)
IN (1) IN165569B (,)
PH (1) PH23239A (,)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3732468A1 (de) * 1987-09-23 1989-04-06 Siemens Ag Kontaktanordnung eines niederspannungs-leistungsschalters mit elektrodynamischer oeffnung
AU628085B2 (en) * 1988-10-12 1992-09-10 Westinghouse Electric Corporation A molded case circuit breaker having means for controlling the dynamic friction between the connection means and contact arm of the movable contact assembly
JPH0320054U (,) * 1989-07-10 1991-02-27
US5363076A (en) * 1993-04-28 1994-11-08 Square D Company Circuit breaker having spring biased blade suspension
US5910760A (en) * 1997-05-28 1999-06-08 Eaton Corporation Circuit breaker with double rate spring
AU6588800A (en) * 1999-08-30 2001-03-26 Eaton Corporation Circuit interrupter with crossbar having improved barrier protection
US6628185B2 (en) 2001-09-14 2003-09-30 Square D Company Blade assembly for a circuit breaker
US6774749B2 (en) * 2001-09-19 2004-08-10 Square D Company Trip cross bar and trip armature assembly for a circuit breaker
US6842325B2 (en) 2001-09-19 2005-01-11 Square D Company Flexible circuit adhered to metal frame of device
US6624373B2 (en) 2001-09-19 2003-09-23 Square D Company Arc stack assembly for a circuit breaker
US6747532B1 (en) 2002-12-23 2004-06-08 General Electric Company Method, system and apparatus for employing neutral poles in multipole circuit breakers
ITMI20042234A1 (it) * 2004-11-19 2005-02-19 Abb Service Srl Interuttore automatico con cinematismo di sgancio azionato da contatto mobile
US20160240335A1 (en) * 2015-02-17 2016-08-18 General Electric Company Circuit breaker crossbar assembly and method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58120547U (ja) * 1982-02-12 1983-08-17 株式会社日立製作所 限流形回路遮断器
US4503408A (en) * 1982-11-10 1985-03-05 Westinghouse Electric Corp. Molded case circuit breaker apparatus having trip bar with flexible armature interconnection
IE56136B1 (en) * 1983-12-19 1991-04-24 Westinghouse Electric Corp Circuit breaker with improved cross-bar and contact assembly
US4540961A (en) * 1983-12-19 1985-09-10 Westinghouse Electric Corp. Molded case circuit breaker with an apertured molded cross bar for supporting a movable electrical contact arm
US4638277A (en) * 1985-10-01 1987-01-20 Westinghouse Electric Corp. Circuit breaker with blow open latch

Also Published As

Publication number Publication date
JPS62110227A (ja) 1987-05-21
KR860009457A (ko) 1986-12-23
IN165569B (,) 1989-11-18
AU5672086A (en) 1986-11-06
JP2704221B2 (ja) 1998-01-26
ES293881Y (es) 1988-12-01
KR940004036B1 (ko) 1994-05-11
US4635011A (en) 1987-01-06
PH23239A (en) 1989-06-06
AU581591B2 (en) 1989-02-23
ES293881U (es) 1988-04-16

Similar Documents

Publication Publication Date Title
US4638277A (en) Circuit breaker with blow open latch
US4489295A (en) Circuit interrupter with improved electro-mechanical undervoltage release mechanism
US4255732A (en) Current limiting circuit breaker
EP0146033B1 (en) Electric circuit breaker with improved operating mechanism
US4220934A (en) Current limiting circuit breaker with integral magnetic drive device housing and contact arm stop
EP0543496A1 (en) Molded case current limiting circuit breaker
EP0176869B1 (en) Molded case circuit breaker with an improved arc gas external venting system
US6403909B1 (en) Trip override for rotary breaker
US4656446A (en) Current limiting circuit breaker with series double break contact system per pole
JPS62165831A (ja) 成形ケ−ス遮断器用の互換性作動機構
US4654490A (en) Reverse loop circuit breaker with high impedance stationary conductor
JP2582545B2 (ja) 内部通気システムを含む配線用遮断器
CA1252137A (en) Circuit breaker with arm latch for high interrupting capacity
JP2610806B2 (ja) 回路遮断器
US6614334B1 (en) Circuit breaker including two circuit breaker mechanisms and an operating handle
KR930007121B1 (ko) 전기 회로 차단기
US3796980A (en) Disposable circuit breaker
EP0276074A2 (en) Circuit breaker with magnetic shunt hold back circuits
EP0923103B1 (en) Movable contact structure for a circuit breaker
JPH0828179B2 (ja) 回路遮断器
EP0148746B1 (en) Circuit breaker with undervoltage release device
US4295025A (en) Circuit breaker with electromechanical trip means
EP0208295A2 (en) Current limiting circuit breaker with arc commutating structure
US4704593A (en) Circuit breaker with adjustable thermal mechanism
US5430422A (en) Circuit breaker with anti-shock-off blocking mechanism

Legal Events

Date Code Title Description
MKEX Expiry