EP4068328A4 - Circuit breaker - Google Patents

Circuit breaker Download PDF

Info

Publication number
EP4068328A4
EP4068328A4 EP20894307.6A EP20894307A EP4068328A4 EP 4068328 A4 EP4068328 A4 EP 4068328A4 EP 20894307 A EP20894307 A EP 20894307A EP 4068328 A4 EP4068328 A4 EP 4068328A4
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
EP20894307.6A
Other languages
German (de)
French (fr)
Other versions
EP4068328A1 (en
Inventor
Bing TU
Jun Zhu
Luobin LI
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.)
Zhejiang Chint Electrics Co Ltd
Original Assignee
Zhejiang Chint Electrics 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 Zhejiang Chint Electrics Co Ltd filed Critical Zhejiang Chint Electrics Co Ltd
Publication of EP4068328A1 publication Critical patent/EP4068328A1/en
Publication of EP4068328A4 publication Critical patent/EP4068328A4/en
Pending legal-status Critical Current

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
    • H01H71/08—Terminals; Connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
    • H01H83/04—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
    • 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
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H01H71/0264—Mountings or coverplates for complete assembled circuit breakers, e.g. snap mounting in panel
    • H01H71/0271—Mounting several complete assembled circuit breakers together
    • 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
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
    • H01H83/04—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
    • H01H2083/045—Auxiliary switch opening testing circuit in synchronism with the main circuit
EP20894307.6A 2019-11-26 2020-11-15 Circuit breaker Pending EP4068328A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201911173492.3A CN112863966A (en) 2019-11-26 2019-11-26 Circuit breaker
PCT/CN2020/128888 WO2021104065A1 (en) 2019-11-26 2020-11-15 Circuit breaker

Publications (2)

Publication Number Publication Date
EP4068328A1 EP4068328A1 (en) 2022-10-05
EP4068328A4 true EP4068328A4 (en) 2024-01-10

Family

ID=75984776

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20894307.6A Pending EP4068328A4 (en) 2019-11-26 2020-11-15 Circuit breaker

Country Status (4)

Country Link
EP (1) EP4068328A4 (en)
CN (1) CN112863966A (en)
AU (1) AU2020390079B2 (en)
WO (1) WO2021104065A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0231732A2 (en) * 1985-12-02 1987-08-12 Felten & Guilleaume Fabrik elektrischer Apparate Aktiengesellschaft Circuit breaker for fault and conduction current protection
EP2085998A1 (en) * 2008-02-04 2009-08-05 Hager-Electro SAS (Société par Actions Simplifiée) Electric switchgear with top and bottom connection
CN203787366U (en) * 2013-12-04 2014-08-20 浙江正泰电器股份有限公司 Residual current circuit breaker
WO2014167603A1 (en) * 2013-04-11 2014-10-16 パナソニック 株式会社 Operation display mechanism, circuit breaker, compound breaker, and display member
WO2019122539A1 (en) * 2017-12-22 2019-06-27 Hager-Electro Sas Modular electrical switching device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6123084B2 (en) * 2013-02-21 2017-05-10 日東工業株式会社 Earth leakage breaker
CN207883638U (en) * 2017-12-12 2018-09-18 上海电科电器科技有限公司 Earth leakage circuit breaker
CN207852601U (en) * 2018-02-08 2018-09-11 浙江信基电气股份有限公司 Miniature circuit breaker with electric leakage self-checking function
KR102011273B1 (en) * 2018-05-31 2019-10-21 주식회사 두원 Citcuit breaker for house that has instant trip function by applying trip-bar with rotation axis and bi-metal structure
CN209544274U (en) * 2018-11-30 2019-10-25 浙江正泰电器股份有限公司 Breaker

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0231732A2 (en) * 1985-12-02 1987-08-12 Felten & Guilleaume Fabrik elektrischer Apparate Aktiengesellschaft Circuit breaker for fault and conduction current protection
EP2085998A1 (en) * 2008-02-04 2009-08-05 Hager-Electro SAS (Société par Actions Simplifiée) Electric switchgear with top and bottom connection
WO2014167603A1 (en) * 2013-04-11 2014-10-16 パナソニック 株式会社 Operation display mechanism, circuit breaker, compound breaker, and display member
CN203787366U (en) * 2013-12-04 2014-08-20 浙江正泰电器股份有限公司 Residual current circuit breaker
WO2019122539A1 (en) * 2017-12-22 2019-06-27 Hager-Electro Sas Modular electrical switching device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021104065A1 *

Also Published As

Publication number Publication date
WO2021104065A1 (en) 2021-06-03
CN112863966A (en) 2021-05-28
AU2020390079B2 (en) 2023-11-23
EP4068328A1 (en) 2022-10-05
AU2020390079A1 (en) 2022-06-09

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Effective date: 20231207

RIC1 Information provided on ipc code assigned before grant

Ipc: H01H 73/04 20060101ALI20231201BHEP

Ipc: H01H 71/08 20060101ALI20231201BHEP

Ipc: H01H 71/02 20060101ALI20231201BHEP

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