EP4354480A4 - Dc circuit breaker - Google Patents

Dc circuit breaker

Info

Publication number
EP4354480A4
EP4354480A4 EP21945025.1A EP21945025A EP4354480A4 EP 4354480 A4 EP4354480 A4 EP 4354480A4 EP 21945025 A EP21945025 A EP 21945025A EP 4354480 A4 EP4354480 A4 EP 4354480A4
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.)
Pending
Application number
EP21945025.1A
Other languages
German (de)
French (fr)
Other versions
EP4354480A1 (en
Inventor
Kohei Matsumura
Hiroshi Sasaki
Tomohiro Nakata
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 EP4354480A1 publication Critical patent/EP4354480A1/en
Publication of EP4354480A4 publication Critical patent/EP4354480A4/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00Protective 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
    • H01H73/02Details
    • H01H73/18Means for extinguishing or suppressing arc
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/46Means for extinguishing or preventing arc between current-carrying parts using arcing horns
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/34Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H01H9/346Details concerning the arc formation chamber
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/34Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H01H9/36Metal parts
EP21945025.1A 2021-06-08 2021-06-08 Dc circuit breaker Pending EP4354480A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/021668 WO2022259347A1 (en) 2021-06-08 2021-06-08 Dc circuit breaker

Publications (2)

Publication Number Publication Date
EP4354480A1 EP4354480A1 (en) 2024-04-17
EP4354480A4 true EP4354480A4 (en) 2024-07-31

Family

ID=81215071

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21945025.1A Pending EP4354480A4 (en) 2021-06-08 2021-06-08 Dc circuit breaker

Country Status (3)

Country Link
EP (1) EP4354480A4 (en)
JP (1) JP7031083B1 (en)
WO (1) WO2022259347A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57163618U (en) * 1981-04-08 1982-10-15
US4477704A (en) * 1982-01-28 1984-10-16 Mitsubishi Denki Kabushiki Kaisha Power switching device
JPS6132325A (en) * 1984-07-24 1986-02-15 三菱電機株式会社 Circuit breaker
US6300586B1 (en) * 1999-12-09 2001-10-09 General Electric Company Arc runner retaining feature
US9029727B2 (en) * 2013-01-24 2015-05-12 Eaton Corporation Arc runners suitable for DC molded case circuit breakers and related methods

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0446331Y2 (en) * 1986-02-26 1992-10-30
JP3252661B2 (en) * 1995-07-05 2002-02-04 富士電機株式会社 Circuit breaker
JP3955702B2 (en) * 1999-12-03 2007-08-08 三菱電機株式会社 Circuit breaker
JP2010170876A (en) 2009-01-23 2010-08-05 Mitsubishi Electric Corp Circuit breaker
JP6007135B2 (en) * 2013-03-07 2016-10-12 株式会社日立産機システム Circuit breaker
JP6336848B2 (en) * 2014-07-31 2018-06-06 河村電器産業株式会社 DC circuit breaker

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57163618U (en) * 1981-04-08 1982-10-15
US4477704A (en) * 1982-01-28 1984-10-16 Mitsubishi Denki Kabushiki Kaisha Power switching device
JPS6132325A (en) * 1984-07-24 1986-02-15 三菱電機株式会社 Circuit breaker
US6300586B1 (en) * 1999-12-09 2001-10-09 General Electric Company Arc runner retaining feature
US9029727B2 (en) * 2013-01-24 2015-05-12 Eaton Corporation Arc runners suitable for DC molded case circuit breakers and related methods

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022259347A1 *

Also Published As

Publication number Publication date
EP4354480A1 (en) 2024-04-17
WO2022259347A1 (en) 2022-12-15
JPWO2022259347A1 (en) 2022-12-15
JP7031083B1 (en) 2022-03-07

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