ZA902095B - Circuit breaker with moving magnetic core for low current magnetic trip - Google Patents

Circuit breaker with moving magnetic core for low current magnetic trip

Info

Publication number
ZA902095B
ZA902095B ZA902095A ZA902095A ZA902095B ZA 902095 B ZA902095 B ZA 902095B ZA 902095 A ZA902095 A ZA 902095A ZA 902095 A ZA902095 A ZA 902095A ZA 902095 B ZA902095 B ZA 902095B
Authority
ZA
South Africa
Prior art keywords
circuit breaker
low current
magnetic core
trip
moving
Prior art date
Application number
ZA902095A
Other languages
English (en)
Inventor
John Joseph Shea
Joseph Shea John
Richard Paul Sabol
Paul Sabol Richard
Ronald Andrew Cheski
Andrew Cheski Ronald
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
Publication of ZA902095B publication Critical patent/ZA902095B/xx

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
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/40—Combined electrothermal and electromagnetic mechanisms
    • H01H71/405—Combined electrothermal and electromagnetic mechanisms in which a bimetal forms the inductor for the electromagnetic mechanism
    • 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
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/34—Electromagnetic mechanisms having two or more armatures controlled by a common winding
    • 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
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/40—Combined electrothermal and electromagnetic mechanisms

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Breakers (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
ZA902095A 1989-10-05 1990-03-19 Circuit breaker with moving magnetic core for low current magnetic trip ZA902095B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/417,378 US4951015A (en) 1989-10-05 1989-10-05 Circuit breaker with moving magnetic core for low current magnetic trip

Publications (1)

Publication Number Publication Date
ZA902095B true ZA902095B (en) 1991-01-30

Family

ID=23653779

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA902095A ZA902095B (en) 1989-10-05 1990-03-19 Circuit breaker with moving magnetic core for low current magnetic trip

Country Status (14)

Country Link
US (1) US4951015A (xx)
EP (1) EP0421691B1 (xx)
JP (1) JPH03134931A (xx)
KR (1) KR0146699B1 (xx)
CN (1) CN1023359C (xx)
AR (1) AR245313A1 (xx)
AT (1) ATE142366T1 (xx)
AU (1) AU628648B2 (xx)
BR (1) BR9004972A (xx)
CA (1) CA2025781C (xx)
DE (1) DE69028366T2 (xx)
ES (1) ES2091804T3 (xx)
MX (1) MX167927B (xx)
ZA (1) ZA902095B (xx)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5182532A (en) * 1992-02-25 1993-01-26 General Electric Company Thermal-magnetic trip unit
US5173674A (en) * 1992-02-25 1992-12-22 General Electric Company Thermal-magnetic trip unit with low current response
US5237297A (en) * 1992-07-06 1993-08-17 American Circuit Breaker Corporation Tripping apparatus for use with an electrical circuit breaker having magnetic tripping responsive to low overcurrent
KR100462708B1 (ko) * 1996-12-10 2005-07-28 주식회사 엘지화학 천연목분소재를 이용한 바닥장식재와 그 제조방법
US5894259A (en) * 1997-04-14 1999-04-13 Eaton Corporation Thermal trip unit with magnetic shield and circuit breaker incorporating same
US5793026A (en) * 1997-04-14 1998-08-11 Eaton Corporation Magnetic trip assembly and circuit breaker incorporating same
US5831501A (en) * 1997-04-14 1998-11-03 Eaton Corporation Adjustable trip unit and circuit breaker incorporating same
US6181226B1 (en) * 1999-11-05 2001-01-30 Siemens Energy & Automation, Inc. Bi-metal trip unit for a molded case circuit breaker
JP2001351486A (ja) 2000-04-20 2001-12-21 Eaton Corp 真空スイッチ組立体を備えた成型ケース回路遮断器
KR20020092692A (ko) * 2001-06-05 2002-12-12 주식회사 크라텍 인테리어용 무늬목 및 그 제조방법
US6507256B1 (en) * 2001-08-17 2003-01-14 General Electric Company Auxiliary magnetic trip system
CN100464387C (zh) * 2006-12-15 2009-02-25 大全集团有限公司 断路器跳闸脱扣器
ITBG20060065A1 (it) * 2006-12-21 2008-06-22 Abb Service Srl Dispositivo di protezione per un interruttore automatico e interruttore automatico comprendente tale dispositivo.
CN101359561B (zh) * 2007-08-03 2013-02-27 施耐德电器工业公司 具有台阶式轭铁结构的脱扣器和具有这种脱扣器的断路器
AT509250A1 (de) * 2008-03-05 2011-07-15 Moeller Gebaeudeautomation Gmbh Schaltgerät
AT509407A1 (de) * 2008-03-05 2011-08-15 Moeller Gebaeudeautomation Gmbh Schaltgerät
CN101308743B (zh) * 2008-06-06 2012-02-22 常熟开关制造有限公司(原常熟开关厂） 拍合式可调电磁脱扣器
US8542084B1 (en) * 2012-03-13 2013-09-24 General Electric Company Circuit protection device and trip unit for use with a circuit protection device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3815059A (en) * 1972-12-01 1974-06-04 Westinghouse Electric Corp Circuit interrupter comprising electromagnetic opening means
US4630017A (en) * 1984-10-01 1986-12-16 Siemens Energy & Automation, Inc. Magnetic structure for calibrating a circuit breaker
US4706054A (en) * 1986-09-15 1987-11-10 General Electric Company Thermal magnetic trip unit for molded case circuit breakers
US4719438A (en) * 1986-09-30 1988-01-12 Westinghouse Electric Corp. Circuit breaker with fast trip unit

Also Published As

Publication number Publication date
CN1050789A (zh) 1991-04-17
US4951015A (en) 1990-08-21
EP0421691B1 (en) 1996-09-04
ES2091804T3 (es) 1996-11-16
BR9004972A (pt) 1991-09-10
AU6261790A (en) 1991-04-11
JPH03134931A (ja) 1991-06-07
KR910008764A (ko) 1991-05-31
KR0146699B1 (ko) 1998-09-15
DE69028366D1 (de) 1996-10-10
AU628648B2 (en) 1992-09-17
EP0421691A3 (en) 1992-05-20
MX167927B (es) 1993-04-22
AR245313A1 (es) 1993-12-30
EP0421691A2 (en) 1991-04-10
DE69028366T2 (de) 1997-04-10
CA2025781C (en) 2000-02-15
ATE142366T1 (de) 1996-09-15
CA2025781A1 (en) 1991-04-06
CN1023359C (zh) 1993-12-29

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