EP4089710C0 - Current leakage protection apparatus of 2p2m electromagnetic residual current circuit breaker with overcurrent protection - Google Patents

Current leakage protection apparatus of 2p2m electromagnetic residual current circuit breaker with overcurrent protection

Info

Publication number
EP4089710C0
EP4089710C0 EP21844614.4A EP21844614A EP4089710C0 EP 4089710 C0 EP4089710 C0 EP 4089710C0 EP 21844614 A EP21844614 A EP 21844614A EP 4089710 C0 EP4089710 C0 EP 4089710C0
Authority
EP
European Patent Office
Prior art keywords
circuit breaker
current circuit
electromagnetic residual
overcurrent protection
residual current
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.)
Active
Application number
EP21844614.4A
Other languages
German (de)
French (fr)
Other versions
EP4089710B1 (en
EP4089710A1 (en
EP4089710A4 (en
Inventor
Feng Liu
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.)
Etman Electric Changzhou Co Ltd
Original Assignee
Etman Electric Changzhou 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 Etman Electric Changzhou Co Ltd filed Critical Etman Electric Changzhou Co Ltd
Publication of EP4089710A1 publication Critical patent/EP4089710A1/en
Publication of EP4089710A4 publication Critical patent/EP4089710A4/en
Application granted granted Critical
Publication of EP4089710C0 publication Critical patent/EP4089710C0/en
Publication of EP4089710B1 publication Critical patent/EP4089710B1/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
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
    • H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Breakers (AREA)
EP21844614.4A 2021-03-31 2021-08-27 Current leakage protection apparatus of 2p2m electromagnetic residual current circuit breaker with overcurrent protection Active EP4089710B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202120662133.0U CN214542079U (en) 2021-03-31 2021-03-31 Electric leakage protection device of 2P2 modulus electromagnetic type electric leakage protection circuit breaker
PCT/CN2021/114979 WO2022205759A1 (en) 2021-03-31 2021-08-27 Residual current device of 2p2 analog-to-digital electromagnetic residual current circuit breaker with overcurrent protection

Publications (4)

Publication Number Publication Date
EP4089710A1 EP4089710A1 (en) 2022-11-16
EP4089710A4 EP4089710A4 (en) 2022-11-16
EP4089710C0 true EP4089710C0 (en) 2023-10-18
EP4089710B1 EP4089710B1 (en) 2023-10-18

Family

ID=78265736

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21844614.4A Active EP4089710B1 (en) 2021-03-31 2021-08-27 Current leakage protection apparatus of 2p2m electromagnetic residual current circuit breaker with overcurrent protection

Country Status (3)

Country Link
EP (1) EP4089710B1 (en)
CN (1) CN214542079U (en)
WO (1) WO2022205759A1 (en)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3120065A1 (en) * 1981-05-20 1982-12-23 Hettich Hetal Werke Furniture hinge
AT384906B (en) * 1985-12-02 1988-01-25 Felten & Guilleaume Ag Oester Fault current circuit breaker and circuit breaker (residual current device)
TWI426189B (en) * 2010-10-19 2014-02-11 First Dome Corp And has a light thrust and high elastic force of the relative displacement device
CN105074864A (en) * 2013-04-11 2015-11-18 松下知识产权经营株式会社 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
CN207165502U (en) * 2017-09-08 2018-03-30 乐清市也为电气有限公司 A kind of RCCB
CN207264994U (en) * 2017-10-16 2018-04-20 浙江凯发电气有限公司 A kind of test button device of Minitype electrical leakage breaker
CN209544274U (en) * 2018-11-30 2019-10-25 浙江正泰电器股份有限公司 Breaker
CN111128616A (en) * 2020-01-07 2020-05-08 上海电器科学研究所（集团）有限公司 Operating mechanism of miniature circuit breaker
CN111640628B (en) * 2020-05-21 2022-07-12 温州金旭电气有限公司 Miniature residual current circuit breaker
CN112951665A (en) * 2021-03-31 2021-06-11 英特曼电工（常州）有限公司 2P2 modulus electromagnetic type earth leakage protection circuit breaker

Also Published As

Publication number Publication date
WO2022205759A1 (en) 2022-10-06
EP4089710B1 (en) 2023-10-18
CN214542079U (en) 2021-10-29
EP4089710A1 (en) 2022-11-16
EP4089710A4 (en) 2022-11-16

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