EP0482197A4 - Circuit breaker - Google Patents

Circuit breaker

Info

Publication number
EP0482197A4
EP0482197A4 EP19900909849 EP90909849A EP0482197A4 EP 0482197 A4 EP0482197 A4 EP 0482197A4 EP 19900909849 EP19900909849 EP 19900909849 EP 90909849 A EP90909849 A EP 90909849A EP 0482197 A4 EP0482197 A4 EP 0482197A4
Authority
EP
European Patent Office
Prior art keywords
circuit breaker
breaker
circuit
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.)
Granted
Application number
EP19900909849
Other versions
EP0482197B1 (en
EP0482197A1 (en
Inventor
Terumi 3343-17 Ooaza Sakamachi Shimano
Kuniyoshi Sakai
Tomoyoshi 1782-1 Ooaza Ooide Saito
Kinichi 4-18 Toushin-Cho 4-Chome Shioda
Hiroshi 3-17 Daiei-Cho 4-Chome Suzuki
Wataru 12-3 Midori-Cho 2-Chome Teraoka
Kazuhiko 8-20 Toushin-Cho 1-Chome Kato
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.)
Hitachi Ltd
Original Assignee
Hitachi 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
Priority claimed from JP16664089A external-priority patent/JP2633959B2/en
Priority claimed from JP1318752A external-priority patent/JP2711002B2/en
Priority claimed from JP2067009A external-priority patent/JP2714216B2/en
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of EP0482197A1 publication Critical patent/EP0482197A1/en
Publication of EP0482197A4 publication Critical patent/EP0482197A4/en
Application granted granted Critical
Publication of EP0482197B1 publication Critical patent/EP0482197B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H01H77/107—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 the blow-off force generating means, e.g. current loops
    • H01H77/108—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 the blow-off force generating means, e.g. current loops comprising magnetisable elements, e.g. flux concentrator, linear slot motor

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
EP90909849A 1989-06-30 1990-06-27 Circuit breaker Expired - Lifetime EP0482197B1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP166640/89 1989-06-30
JP16664089A JP2633959B2 (en) 1989-06-30 1989-06-30 Circuit breaker
JP1318752A JP2711002B2 (en) 1989-12-11 1989-12-11 Circuit breaker
JP318752/89 1989-12-11
JP67009/90 1990-03-19
JP2067009A JP2714216B2 (en) 1990-03-19 1990-03-19 Circuit breaker
PCT/JP1990/000835 WO1991000609A1 (en) 1989-06-30 1990-06-27 Circuit breaker

Publications (3)

Publication Number Publication Date
EP0482197A1 EP0482197A1 (en) 1992-04-29
EP0482197A4 true EP0482197A4 (en) 1992-11-25
EP0482197B1 EP0482197B1 (en) 1997-05-07

Family

ID=27299329

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90909849A Expired - Lifetime EP0482197B1 (en) 1989-06-30 1990-06-27 Circuit breaker

Country Status (3)

Country Link
EP (1) EP0482197B1 (en)
DE (1) DE69030666T2 (en)
WO (1) WO1991000609A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2894052B2 (en) * 1990-12-11 1999-05-24 株式会社日立製作所 Circuit breaker
JP4321296B2 (en) * 2004-02-19 2009-08-26 富士電機機器制御株式会社 Repulsive circuit breaker contactor device
ITMI20072204A1 (en) * 2007-11-21 2009-05-22 Abb Spa DOUBLE INTERRUPTION UNI-POLAR OR MULTI-POLAR INTERRUPTION DEVICE
CN106409627A (en) * 2015-08-03 2017-02-15 上海良信电器股份有限公司 Circuit breaker tripping mechanism
CN109216125B (en) * 2017-07-06 2023-07-25 王静洋 High breaking arcless circuit breaker

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3593227A (en) * 1968-02-28 1971-07-13 Gennady Fedosievich Mitskevich Automatic electrodynamic blowoff breaker with stationary contact form of two series wound u-shaped members
FR2242766A1 (en) * 1973-08-30 1975-03-28 Merlin Gerin Electric circuit breaker - has double fixed and moving contacts in series and double arc repulsion
EP0003447A1 (en) * 1978-01-31 1979-08-08 Merlin Gerin Device for current limiting and circuit breaking
EP0209058A2 (en) * 1985-07-18 1987-01-21 Westinghouse Electric Corporation Molded case circuit breaker with a movable electrical contact positioned by a camming spring loaded clip

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS468358B1 (en) * 1967-01-27 1971-03-02
JPS468356B1 (en) * 1967-01-27 1971-03-02
JPS5349057U (en) * 1976-09-29 1978-04-25
US4259651A (en) * 1978-10-16 1981-03-31 Westinghouse Electric Corp. Current limiting circuit interrupter with improved operating mechanism
US4245203A (en) * 1978-10-16 1981-01-13 Westinghouse Electric Corp. Circuit interrupter with pivoting contact arm having a clinch-type contact
JPS58154114A (en) * 1982-03-08 1983-09-13 株式会社東芝 Current limiter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3593227A (en) * 1968-02-28 1971-07-13 Gennady Fedosievich Mitskevich Automatic electrodynamic blowoff breaker with stationary contact form of two series wound u-shaped members
FR2242766A1 (en) * 1973-08-30 1975-03-28 Merlin Gerin Electric circuit breaker - has double fixed and moving contacts in series and double arc repulsion
EP0003447A1 (en) * 1978-01-31 1979-08-08 Merlin Gerin Device for current limiting and circuit breaking
EP0209058A2 (en) * 1985-07-18 1987-01-21 Westinghouse Electric Corporation Molded case circuit breaker with a movable electrical contact positioned by a camming spring loaded clip

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9100609A1 *

Also Published As

Publication number Publication date
EP0482197B1 (en) 1997-05-07
WO1991000609A1 (en) 1991-01-10
EP0482197A1 (en) 1992-04-29
DE69030666D1 (en) 1997-06-12
DE69030666T2 (en) 1997-10-16

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