EP2736064A4 - Trip device and circuit breaker for electric wiring having same - Google Patents

Trip device and circuit breaker for electric wiring having same

Info

Publication number
EP2736064A4
EP2736064A4 EP12858425.7A EP12858425A EP2736064A4 EP 2736064 A4 EP2736064 A4 EP 2736064A4 EP 12858425 A EP12858425 A EP 12858425A EP 2736064 A4 EP2736064 A4 EP 2736064A4
Authority
EP
European Patent Office
Prior art keywords
same
circuit breaker
electric wiring
trip device
trip
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
EP12858425.7A
Other languages
German (de)
French (fr)
Other versions
EP2736064A1 (en
EP2736064B1 (en
Inventor
Byung-Soo An
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.)
HD Hyundai Heavy Industries Co Ltd
Original Assignee
Hyundai Heavy Industries Co 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
Application filed by Hyundai Heavy Industries Co Ltd filed Critical Hyundai Heavy Industries Co Ltd
Publication of EP2736064A1 publication Critical patent/EP2736064A1/en
Publication of EP2736064A4 publication Critical patent/EP2736064A4/en
Application granted granted Critical
Publication of EP2736064B1 publication Critical patent/EP2736064B1/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
    • 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
    • H01H71/521—Details concerning the lever handle
    • 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
    • H01H71/501—Means for breaking welded contacts; Indicating contact welding or other malfunction of the circuit breaker
    • 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
    • H01H71/522—Manual reset mechanisms which may be also used for manual release actuated by lever comprising a cradle-mechanism
    • H01H71/525—Manual reset mechanisms which may be also used for manual release actuated by lever comprising a cradle-mechanism comprising a toggle between cradle and contact arm and mechanism spring acting between handle and toggle knee
    • 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
    • H01H73/02—Details
    • H01H73/04—Contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/20—Bridging contacts
    • H01H1/2041—Rotating bridge
EP12858425.7A 2011-12-16 2012-12-14 Trip device and circuit breaker for electric wiring having same Active EP2736064B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020110136253A KR101326987B1 (en) 2011-12-16 2011-12-16 Tripping device and a circuit braker having the same
PCT/KR2012/010894 WO2013089475A1 (en) 2011-12-16 2012-12-14 Trip device and circuit breaker for electric wiring having same

Publications (3)

Publication Number Publication Date
EP2736064A1 EP2736064A1 (en) 2014-05-28
EP2736064A4 true EP2736064A4 (en) 2015-04-29
EP2736064B1 EP2736064B1 (en) 2017-06-14

Family

ID=48612839

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12858425.7A Active EP2736064B1 (en) 2011-12-16 2012-12-14 Trip device and circuit breaker for electric wiring having same

Country Status (4)

Country Link
EP (1) EP2736064B1 (en)
KR (1) KR101326987B1 (en)
CN (1) CN103797558B (en)
WO (1) WO2013089475A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101981596B1 (en) * 2015-03-31 2019-05-23 현대일렉트릭앤에너지시스템(주) Switching mechanism for molded case circuit breaker and assembling methood of the same
KR101749981B1 (en) 2016-02-12 2017-06-22 엘에스산전 주식회사 Multi-Pole Molded Case Circuit Breaker
KR20180099330A (en) 2017-02-28 2018-09-05 엘에스산전 주식회사 Molded Case Circuit Breaker with Interlock for Contacts

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1461217A (en) * 1974-03-01 1977-01-13 Merlin Gerin Circuit breaker
FR2418533A1 (en) * 1978-02-28 1979-09-21 Siemens Ag LV rocker switch with toggle leverage - has articulated strip connection between switch shaft and rocker lever, excluding pushing of lever over TDC and into off positions
DE19841685A1 (en) * 1998-09-11 2000-03-30 Aeg Niederspannungstech Gmbh switch
KR20090016344A (en) * 2007-08-10 2009-02-13 엘에스산전 주식회사 Mold cased circuit breaker with contact on mechanism

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3972782B2 (en) 2002-09-26 2007-09-05 富士電機機器制御株式会社 Circuit breaker
JP4059058B2 (en) * 2002-10-28 2008-03-12 富士電機機器制御株式会社 Circuit breaker
US6985059B2 (en) * 2003-09-10 2006-01-10 General Electric Company Circuit breaker handle block
JP4857881B2 (en) * 2006-04-14 2012-01-18 富士電機機器制御株式会社 Circuit breaker
JP4807135B2 (en) * 2006-04-26 2011-11-02 富士電機機器制御株式会社 Circuit breaker
KR100914204B1 (en) 2007-08-10 2009-08-27 엘에스산전 주식회사 Mold cased circuit breaker with a contact on mechanism
KR100914203B1 (en) * 2007-08-10 2009-08-27 엘에스산전 주식회사 Mold cased circuit breaker with a contact on mechanism
KR101085267B1 (en) 2010-06-07 2011-11-22 엘에스산전 주식회사 Trip mechanism for current limiting type mold cased circuit breaker

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1461217A (en) * 1974-03-01 1977-01-13 Merlin Gerin Circuit breaker
FR2418533A1 (en) * 1978-02-28 1979-09-21 Siemens Ag LV rocker switch with toggle leverage - has articulated strip connection between switch shaft and rocker lever, excluding pushing of lever over TDC and into off positions
DE19841685A1 (en) * 1998-09-11 2000-03-30 Aeg Niederspannungstech Gmbh switch
KR20090016344A (en) * 2007-08-10 2009-02-13 엘에스산전 주식회사 Mold cased circuit breaker with contact on mechanism

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013089475A1 *

Also Published As

Publication number Publication date
WO2013089475A1 (en) 2013-06-20
CN103797558B (en) 2016-10-26
CN103797558A (en) 2014-05-14
KR101326987B1 (en) 2013-11-13
KR20130068845A (en) 2013-06-26
EP2736064A1 (en) 2014-05-28
EP2736064B1 (en) 2017-06-14

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