ZA776B - Circuit breaker - Google Patents

Circuit breaker

Info

Publication number
ZA776B
ZA776B ZA770006A ZA776A ZA776B ZA 776 B ZA776 B ZA 776B ZA 770006 A ZA770006 A ZA 770006A ZA 776 A ZA776 A ZA 776A ZA 776 B ZA776 B ZA 776B
Authority
ZA
South Africa
Prior art keywords
circuit breaker
breaker
circuit
Prior art date
Application number
ZA770006A
Other languages
English (en)
Inventor
R Dickens
J Khalid
Original Assignee
Square D Co
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 Square D Co filed Critical Square D Co
Publication of ZA776B publication Critical patent/ZA776B/xx

Links

Classifications

    • 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
    • H01H9/42—Impedances connected with contacts
    • 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
    • H01H77/06—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 electromagnetic opening
    • 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
    • H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
    • H01H9/446—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet using magnetisable elements associated with the contacts

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
ZA770006A 1974-04-29 1975-04-22 Circuit breaker ZA776B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/465,397 US3956723A (en) 1974-04-29 1974-04-29 Current limiting circuit breaker

Publications (1)

Publication Number Publication Date
ZA776B true ZA776B (en) 1977-03-30

Family

ID=23847645

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA770006A ZA776B (en) 1974-04-29 1975-04-22 Circuit breaker

Country Status (4)

Country Link
US (1) US3956723A (fr)
BE (1) BE828516A (fr)
GB (1) GB1511884A (fr)
ZA (1) ZA776B (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4245203A (en) * 1978-10-16 1981-01-13 Westinghouse Electric Corp. Circuit interrupter with pivoting contact arm having a clinch-type contact
US4258345A (en) * 1979-01-29 1981-03-24 Westinghouse Electric Corp. Circuit interrupter with magnetic arc stretcher
JPS5669745A (en) * 1979-11-10 1981-06-11 Terasaki Denki Sangyo Kk Circuit breaker
GB9002678D0 (en) * 1990-02-07 1990-04-04 Mk Electric Ltd Improvements in or relating to electric switches
IT1319573B1 (it) * 2000-12-18 2003-10-20 Abb Ricerca Spa Elemento conduttore per la derivazione di alimentazione elettrica.
US6659783B2 (en) 2001-08-01 2003-12-09 Tyco Electronics Corp Electrical connector including variable resistance to reduce arcing
EP2302657A1 (fr) * 2009-09-23 2011-03-30 ABB Schweiz AG Système de limitation de courant
US8138439B2 (en) * 2010-02-11 2012-03-20 Eaton Corporation Limiter including a number of gas channels and electrical switching apparatus employing the same
SI24060B (sl) * 2012-04-12 2017-07-31 Razvojni Center Enem Novi Materiali D.O.O. Stikalo za zaščito električnega tokokroga proti preobremenitvam
CN111834162B (zh) * 2020-07-10 2025-03-25 厦门宏发开关设备有限公司 一种断路器
CN117559275B (zh) * 2023-11-21 2024-11-15 西电宝鸡电气有限公司 一种手车式相控断路器及开关柜

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE481639C (de) * 1925-04-08 1929-08-28 Branchu Paul Joseph Elektromagnetischer UEberstromschalter
US1919438A (en) * 1929-08-20 1933-07-25 Westinghouse Electric & Mfg Co Plate for circuit breakers
GB548810A (en) * 1941-04-22 1942-10-26 Reyrolle A & Co Ltd Improvements in electric circuit-breakers having arc-extinguishing arrangements
US2337949A (en) * 1942-05-29 1943-12-28 Gen Electric Circuit breaker
US2411892A (en) * 1943-07-08 1946-12-03 Gerhard W Peters Circuit breaker with magnetic arc extinguishing means
BE511151A (fr) * 1951-05-03
US3489872A (en) * 1967-09-22 1970-01-13 Gen Electric Modular type multi-stage interrupter with ionized gas assisting in breakdown and eventual arc extinction

Also Published As

Publication number Publication date
US3956723A (en) 1976-05-11
BE828516A (fr) 1975-08-18
GB1511884A (en) 1978-05-24

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