EP2980821A4 - Switchgear - Google Patents

Switchgear

Info

Publication number
EP2980821A4
EP2980821A4 EP13879930.9A EP13879930A EP2980821A4 EP 2980821 A4 EP2980821 A4 EP 2980821A4 EP 13879930 A EP13879930 A EP 13879930A EP 2980821 A4 EP2980821 A4 EP 2980821A4
Authority
EP
European Patent Office
Prior art keywords
switchgear
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
EP13879930.9A
Other languages
German (de)
French (fr)
Other versions
EP2980821A1 (en
EP2980821B1 (en
Inventor
Shinya Watanabe
Shota YAMANE
Kentaro Kokura
Yuta SAGARA
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 EP2980821A1 publication Critical patent/EP2980821A1/en
Publication of EP2980821A4 publication Critical patent/EP2980821A4/en
Application granted granted Critical
Publication of EP2980821B1 publication Critical patent/EP2980821B1/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
    • 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
    • H01H73/18—Means for extinguishing or suppressing arc
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
    • H01H9/443—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet using permanent magnets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
    • H01H9/446—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet using magnetisable elements associated with the contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/302—Means for extinguishing or preventing arc between current-carrying parts wherein arc-extinguishing gas is evolved from stationary parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H01H9/346—Details concerning the arc formation chamber
EP13879930.9A 2013-03-27 2013-12-20 Switchgear Active EP2980821B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013065676 2013-03-27
PCT/JP2013/084204 WO2014155874A1 (en) 2013-03-27 2013-12-20 Switchgear

Publications (3)

Publication Number Publication Date
EP2980821A1 EP2980821A1 (en) 2016-02-03
EP2980821A4 true EP2980821A4 (en) 2016-12-14
EP2980821B1 EP2980821B1 (en) 2019-05-15

Family

ID=51622905

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13879930.9A Active EP2980821B1 (en) 2013-03-27 2013-12-20 Switchgear

Country Status (5)

Country Link
EP (1) EP2980821B1 (en)
JP (1) JP5992603B2 (en)
KR (1) KR101775805B1 (en)
CN (1) CN204189671U (en)
WO (1) WO2014155874A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110400710A (en) * 2018-04-24 2019-11-01 Abb公司 Electric switch

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104078257B (en) * 2013-03-27 2017-04-12 三菱电机株式会社 Switchgear
EP3185270B1 (en) * 2014-08-18 2024-02-14 Mitsubishi Electric Corporation Switching device
JP6011664B2 (en) 2015-03-13 2016-10-19 オムロン株式会社 Contact mechanism and switch using the same
KR102508804B1 (en) * 2016-04-11 2023-03-09 엘에스일렉트릭(주) Magnetic blow out device for direct current breaker
FR3050311B1 (en) * 2016-04-15 2020-12-04 Schneider Electric Ind Sas DIRECT CURRENT ELECTRIC CIRCUIT BREAKER
JP6907801B2 (en) * 2017-08-10 2021-07-21 オムロン株式会社 Electromagnetic relay
JP6879173B2 (en) * 2017-11-10 2021-06-02 三菱電機株式会社 Switchgear
EP3561831B1 (en) * 2018-04-24 2022-10-26 ABB Schweiz AG An electrical switch
FR3123143A1 (en) * 2021-05-21 2022-11-25 Socomec Electric cut-off module equipped with a magnetic blow-out device and electric cut-off device comprising such a module
EP4439604A1 (en) 2021-11-26 2024-10-02 Mitsubishi Electric Corporation Switch

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2129216A5 (en) * 1971-03-18 1972-10-27 Merlin Gerin
EP2533262A1 (en) * 2011-06-07 2012-12-12 Fujitsu Component Limited Electromagnetic relay and method of manufacturing the same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5389980A (en) * 1977-01-18 1978-08-08 Hitachi Ltd Air circuit breaker
DE3044711A1 (en) * 1980-11-27 1982-07-01 Wickmann-Werke GmbH, 5810 Witten FUSE PROTECTION
JPH0329849Y2 (en) * 1985-06-10 1991-06-25
JPH0382542U (en) * 1989-09-02 1991-08-22
JPH1140029A (en) * 1997-07-15 1999-02-12 Daiichi Denki Kk Relay with permanent magnet
JP5202072B2 (en) 2007-09-14 2013-06-05 富士通コンポーネント株式会社 relay
JP2012199137A (en) * 2011-03-22 2012-10-18 Panasonic Corp Relay device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2129216A5 (en) * 1971-03-18 1972-10-27 Merlin Gerin
EP2533262A1 (en) * 2011-06-07 2012-12-12 Fujitsu Component Limited Electromagnetic relay and method of manufacturing the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014155874A1 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110400710A (en) * 2018-04-24 2019-11-01 Abb公司 Electric switch
CN110400710B (en) * 2018-04-24 2021-07-27 Abb公司 Electrical switch

Also Published As

Publication number Publication date
KR20150122747A (en) 2015-11-02
KR101775805B1 (en) 2017-09-06
EP2980821A1 (en) 2016-02-03
JP5992603B2 (en) 2016-09-14
WO2014155874A1 (en) 2014-10-02
CN204189671U (en) 2015-03-04
JPWO2014155874A1 (en) 2017-02-16
EP2980821B1 (en) 2019-05-15

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