ZA9810505B - Circuit breaker with automatic catch to prevent rebound of blow open contact arm - Google Patents

Circuit breaker with automatic catch to prevent rebound of blow open contact arm

Info

Publication number
ZA9810505B
ZA9810505B ZA9810505A ZA9810505A ZA9810505B ZA 9810505 B ZA9810505 B ZA 9810505B ZA 9810505 A ZA9810505 A ZA 9810505A ZA 9810505 A ZA9810505 A ZA 9810505A ZA 9810505 B ZA9810505 B ZA 9810505B
Authority
ZA
South Africa
Prior art keywords
circuit breaker
contact arm
open contact
automatic catch
blow open
Prior art date
Application number
ZA9810505A
Other languages
English (en)
Inventor
William George Eberts
Original Assignee
Eaton 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 Eaton Corp filed Critical Eaton Corp
Publication of ZA9810505B publication Critical patent/ZA9810505B/xx

Links

Classifications

    • 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
    • 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
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/504—Manual reset mechanisms which may be also used for manual release provided with anti-rebound means
    • 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
    • H01H1/226—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 having a plurality of parallel contact bars

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
ZA9810505A 1997-11-20 1998-11-17 Circuit breaker with automatic catch to prevent rebound of blow open contact arm ZA9810505B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/975,474 US5912605A (en) 1997-11-20 1997-11-20 Circuit breaker with automatic catch to prevent rebound of blow open contact arm

Publications (1)

Publication Number Publication Date
ZA9810505B true ZA9810505B (en) 1999-05-24

Family

ID=25523065

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9810505A ZA9810505B (en) 1997-11-20 1998-11-17 Circuit breaker with automatic catch to prevent rebound of blow open contact arm

Country Status (6)

Country Link
US (1) US5912605A (de)
EP (1) EP0918348A3 (de)
CN (1) CN1171268C (de)
CA (1) CA2254427A1 (de)
ID (1) ID21296A (de)
ZA (1) ZA9810505B (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10049728C2 (de) * 2000-09-28 2003-01-02 Siemens Ag Antriebsstrang für einen bewegbaren Kontakt eines elektrischen Schalters
DE10060195C1 (de) * 2000-11-24 2002-07-25 Siemens Ag Antriebsstrang für einen bewegbaren Kontakt eines elektrischen Schalters
US6614326B2 (en) 2001-07-10 2003-09-02 Eaton Corporation Power-line coupler having a circuit breaker form or a panelboard employing the same
US6977568B1 (en) * 2005-01-13 2005-12-20 Eaton Corporation Blow open moving contact assembly for electric power switching apparatus with a very high current interruption rating
DE102005050980B4 (de) * 2005-10-25 2007-11-08 Moeller Gmbh Kontaktsystem für einen Niederspannungsschalter
US7351927B1 (en) * 2006-10-13 2008-04-01 Eaton Corporation Electrical switch, conductor assembly, and independent flexible conductive elements therefor
US7646269B2 (en) * 2007-03-07 2010-01-12 Eaton Corporation Electrical switching apparatus, and conductor assembly and shunt assembly therefor
KR101019030B1 (ko) * 2009-03-11 2011-03-04 엘에스산전 주식회사 리바운드 방지 기구를 갖는 차단기
US8138861B2 (en) * 2009-05-15 2012-03-20 Eaton Corporation Inertial catch for an automatic transfer switch power contractor
CN102856086B (zh) * 2011-06-29 2015-04-29 西门子公司 切换装置
US8988175B2 (en) * 2012-01-26 2015-03-24 General Electric Company Override device for a circuit breaker and methods of operating circuit breaker
ES2576327T3 (es) 2013-08-07 2016-07-07 Abb S.P.A. Disyuntor
US9208962B2 (en) * 2013-11-26 2015-12-08 General Electric Company Circuit breaker including an anti-rebound system, anti-rebound system for a circuit breaker and method
US9349560B2 (en) 2014-02-20 2016-05-24 General Electric Company Limiter type air circuit breaker with blow open arrangement
US9552950B2 (en) * 2015-06-11 2017-01-24 General Electric Company Retaining assembly for a circuit breaker contact system
US9576753B2 (en) 2015-06-16 2017-02-21 General Electric Company Moveable contact arm releases latch plate engagement in a circuit breaker
CN105719857A (zh) * 2016-04-21 2016-06-29 环宇集团浙江高科有限公司 自动转换开关的防弹跳装置
CN107068508B (zh) * 2017-05-22 2019-08-27 浙江人民电器有限公司 一种断路器
CN109559946A (zh) * 2017-09-27 2019-04-02 常熟开关制造有限公司(原常熟开关厂） 一种断路器

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB756367A (en) * 1953-09-25 1956-09-05 English Electric Co Ltd Improvements in and relating to latching devices
DE2552257C3 (de) * 1975-11-21 1979-01-18 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Leistungsschalter
JPS58131622A (ja) * 1982-01-29 1983-08-05 三菱電機株式会社 気中しや断器
US4733211A (en) * 1987-01-13 1988-03-22 General Electric Company Molded case circuit breaker crossbar assembly
US4887057A (en) * 1988-08-01 1989-12-12 Westinghouse Electric Corp. Cam roll pin assembly
US5341191A (en) * 1991-10-18 1994-08-23 Eaton Corporation Molded case current limiting circuit breaker
US5363076A (en) * 1993-04-28 1994-11-08 Square D Company Circuit breaker having spring biased blade suspension
US5793270A (en) * 1996-09-03 1998-08-11 Eaton Corporation Circuit breaker with latch preventing rebound of blow open contact arm

Also Published As

Publication number Publication date
EP0918348A2 (de) 1999-05-26
CN1171268C (zh) 2004-10-13
CN1227396A (zh) 1999-09-01
US5912605A (en) 1999-06-15
CA2254427A1 (en) 1999-05-20
ID21296A (id) 1999-05-20
EP0918348A3 (de) 2000-10-11

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