EP2801995A4 - Circuit breaker - Google Patents

Circuit breaker

Info

Publication number
EP2801995A4
EP2801995A4 EP12864570.2A EP12864570A EP2801995A4 EP 2801995 A4 EP2801995 A4 EP 2801995A4 EP 12864570 A EP12864570 A EP 12864570A EP 2801995 A4 EP2801995 A4 EP 2801995A4
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
EP12864570.2A
Other languages
German (de)
French (fr)
Other versions
EP2801995B1 (en
EP2801995A1 (en
Inventor
Nobuo Miyoshi
Masahiro Fushimi
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 EP2801995A1 publication Critical patent/EP2801995A1/en
Publication of EP2801995A4 publication Critical patent/EP2801995A4/en
Application granted granted Critical
Publication of EP2801995B1 publication Critical patent/EP2801995B1/en
Active 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
    • H01H71/40—Combined electrothermal and electromagnetic mechanisms
    • 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
    • H01H71/14—Electrothermal mechanisms
    • H01H71/16—Electrothermal mechanisms with bimetal element
    • 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
    • H01H71/32—Electromagnetic mechanisms having permanently magnetised part
    • H01H71/325—Housings, assembly or disposition of different elements in the housing
    • 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
    • H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
    • H01H71/7427—Adjusting only the electrothermal 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
    • H01H71/14—Electrothermal mechanisms
    • H01H71/16—Electrothermal mechanisms with bimetal element
    • H01H2071/168—Provisions for avoiding permanent deformation and thus decalibration of bimetal, e.g. due to overheating or action of a magnet
    • 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
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
    • 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
    • H01H73/48—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 having both electrothermal and electromagnetic automatic release
    • H01H73/50—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 having both electrothermal and electromagnetic automatic release reset by lever

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
EP12864570.2A 2012-01-06 2012-01-06 Circuit breaker Active EP2801995B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2012/050174 WO2013103015A1 (en) 2012-01-06 2012-01-06 Circuit breaker

Publications (3)

Publication Number Publication Date
EP2801995A1 EP2801995A1 (en) 2014-11-12
EP2801995A4 true EP2801995A4 (en) 2015-11-04
EP2801995B1 EP2801995B1 (en) 2016-09-28

Family

ID=48745085

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12864570.2A Active EP2801995B1 (en) 2012-01-06 2012-01-06 Circuit breaker

Country Status (5)

Country Link
EP (1) EP2801995B1 (en)
JP (1) JP5676782B2 (en)
KR (1) KR101579698B1 (en)
CN (1) CN104067366B (en)
WO (1) WO2013103015A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102514032B1 (en) 2016-02-22 2023-03-24 엘에스일렉트릭(주) Instant trip mechanism for molded case circuit breaker
JP6714174B2 (en) * 2017-12-01 2020-06-24 三菱電機株式会社 Contactor
CN110400729B (en) * 2019-08-27 2024-04-26 乐清市赛翔电气有限公司 Small-sized circuit breaker

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2506486Y2 (en) * 1989-07-06 1996-08-07 富士電機株式会社 Overcurrent trip device for circuit breaker
JP2000149756A (en) 1998-11-05 2000-05-30 Mitsubishi Electric Corp Over-current tripping device for circuit breaker
JP4905112B2 (en) 2006-12-18 2012-03-28 富士電機機器制御株式会社 Circuit breaker overcurrent trip device
JP5405971B2 (en) * 2008-11-07 2014-02-05 三菱電機株式会社 Circuit breaker
JP2010218765A (en) * 2009-03-13 2010-09-30 Fuji Electric Fa Components & Systems Co Ltd Overcurrent tripping device of circuit breaker

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *
See also references of WO2013103015A1 *

Also Published As

Publication number Publication date
EP2801995B1 (en) 2016-09-28
EP2801995A1 (en) 2014-11-12
CN104067366A (en) 2014-09-24
CN104067366B (en) 2016-05-04
KR20140065010A (en) 2014-05-28
WO2013103015A1 (en) 2013-07-11
KR101579698B1 (en) 2015-12-22
JP5676782B2 (en) 2015-02-25
JPWO2013103015A1 (en) 2015-05-11

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