EP2261946A4 - Short circuit detection apparatus for circuit breaker - Google Patents

Short circuit detection apparatus for circuit breaker

Info

Publication number
EP2261946A4
EP2261946A4 EP20080739880 EP08739880A EP2261946A4 EP 2261946 A4 EP2261946 A4 EP 2261946A4 EP 20080739880 EP20080739880 EP 20080739880 EP 08739880 A EP08739880 A EP 08739880A EP 2261946 A4 EP2261946 A4 EP 2261946A4
Authority
EP
European Patent Office
Prior art keywords
detection apparatus
short circuit
circuit breaker
circuit
breaker
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
EP20080739880
Other languages
German (de)
French (fr)
Other versions
EP2261946A1 (en
EP2261946B1 (en
Inventor
Koji Kawamura
Takeshi Hamamoto
Kenichi Haramoto
Satoru Naitou
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP2261946A1 publication Critical patent/EP2261946A1/en
Publication of EP2261946A4 publication Critical patent/EP2261946A4/en
Application granted granted Critical
Publication of EP2261946B1 publication Critical patent/EP2261946B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H01H71/2472—Electromagnetic mechanisms with rotatable armatures
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Breakers (AREA)
EP08739880.6A 2008-04-04 2008-04-04 Short circuit detection apparatus for circuit breaker Not-in-force EP2261946B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2008/056774 WO2009122584A1 (en) 2008-04-04 2008-04-04 Short circuit detection apparatus for circuit breaker

Publications (3)

Publication Number Publication Date
EP2261946A1 EP2261946A1 (en) 2010-12-15
EP2261946A4 true EP2261946A4 (en) 2014-05-28
EP2261946B1 EP2261946B1 (en) 2015-09-02

Family

ID=41135003

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08739880.6A Not-in-force EP2261946B1 (en) 2008-04-04 2008-04-04 Short circuit detection apparatus for circuit breaker

Country Status (4)

Country Link
EP (1) EP2261946B1 (en)
JP (1) JP5020374B2 (en)
CN (1) CN101981647B (en)
WO (1) WO2009122584A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106783437B (en) * 2017-01-20 2018-09-07 温州市新蓝天电器有限公司 A kind of breaker

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5675454U (en) * 1979-11-15 1981-06-19
JPH0319236U (en) * 1989-07-06 1991-02-26
JPH04280027A (en) * 1991-03-07 1992-10-06 Fuji Electric Co Ltd Electromagnetic tripping device for circuit breaker
JPH097490A (en) * 1995-06-15 1997-01-10 Matsushita Electric Works Ltd Short-circuit current detecting device of circuit breaker
JPH0950754A (en) * 1995-08-04 1997-02-18 Kawamura Electric Inc Electromagnetic device for circuit breaker
WO2001016985A1 (en) * 1999-08-27 2001-03-08 Eaton Corporation Circuit interrupter with a trip mechanism having a biased latch
DE102006005697A1 (en) * 2006-02-08 2007-08-16 Moeller Gmbh Device for triggering an electrical switching device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07220610A (en) * 1994-02-02 1995-08-18 Fuji Electric Co Ltd Breaker for wiring
JPH10283899A (en) 1997-03-31 1998-10-23 Mitsubishi Electric Corp Electromagnetic tripping apparatus for circuit breaker
JP4094155B2 (en) 1999-02-12 2008-06-04 三菱電機株式会社 Circuit breaker and overcurrent trip device
ES2351204T3 (en) * 2001-08-02 2011-02-01 Mitsubishi Denki Kabushiki Kaisha AIR CIRCUIT CIRCUIT.
CN100359618C (en) * 2004-01-28 2008-01-02 三菱电机株式会社 Circuit breaker

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5675454U (en) * 1979-11-15 1981-06-19
JPH0319236U (en) * 1989-07-06 1991-02-26
JPH04280027A (en) * 1991-03-07 1992-10-06 Fuji Electric Co Ltd Electromagnetic tripping device for circuit breaker
JPH097490A (en) * 1995-06-15 1997-01-10 Matsushita Electric Works Ltd Short-circuit current detecting device of circuit breaker
JPH0950754A (en) * 1995-08-04 1997-02-18 Kawamura Electric Inc Electromagnetic device for circuit breaker
WO2001016985A1 (en) * 1999-08-27 2001-03-08 Eaton Corporation Circuit interrupter with a trip mechanism having a biased latch
DE102006005697A1 (en) * 2006-02-08 2007-08-16 Moeller Gmbh Device for triggering an electrical switching device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2009122584A1 *

Also Published As

Publication number Publication date
CN101981647B (en) 2013-10-30
JPWO2009122584A1 (en) 2011-07-28
WO2009122584A1 (en) 2009-10-08
EP2261946A1 (en) 2010-12-15
JP5020374B2 (en) 2012-09-05
EP2261946B1 (en) 2015-09-02
CN101981647A (en) 2011-02-23

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