EP4089707C0 - 2p2m electromagnetic residual current circuit breaker with overcurrent protection - Google Patents

2p2m electromagnetic residual current circuit breaker with overcurrent protection

Info

Publication number
EP4089707C0
EP4089707C0 EP21844626.8A EP21844626A EP4089707C0 EP 4089707 C0 EP4089707 C0 EP 4089707C0 EP 21844626 A EP21844626 A EP 21844626A EP 4089707 C0 EP4089707 C0 EP 4089707C0
Authority
EP
European Patent Office
Prior art keywords
circuit breaker
current circuit
overcurrent protection
residual current
electromagnetic residual
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
EP21844626.8A
Other languages
German (de)
French (fr)
Other versions
EP4089707A4 (en
EP4089707A1 (en
EP4089707B1 (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 EP4089707A4 publication Critical patent/EP4089707A4/en
Publication of EP4089707A1 publication Critical patent/EP4089707A1/en
Application granted granted Critical
Publication of EP4089707C0 publication Critical patent/EP4089707C0/en
Publication of EP4089707B1 publication Critical patent/EP4089707B1/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
    • H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
    • H01H83/22—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being unbalance of two or more currents or voltages
    • H01H83/226—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being unbalance of two or more currents or voltages with differential transformer
    • 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
    • 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
    • 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
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
    • 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
    • H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
    • 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
    • H01H71/526—Manual reset mechanisms which may be also used for manual release actuated by lever the lever forming a toggle linkage with a second lever, the free end of which is directly and releasably engageable with a contact structure
EP21844626.8A 2021-03-31 2021-08-27 2p2m electromagnetic residual current circuit breaker with overcurrent protection Active EP4089707B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110348189.3A CN112951665A (en) 2021-03-31 2021-03-31 2P2 modulus electromagnetic type earth leakage protection circuit breaker
PCT/CN2021/114976 WO2022205756A1 (en) 2021-03-31 2021-08-27 2p2 analog-to-digital electromagnetic leakage protection circuit breaker

Publications (4)

Publication Number Publication Date
EP4089707A4 EP4089707A4 (en) 2022-11-16
EP4089707A1 EP4089707A1 (en) 2022-11-16
EP4089707C0 true EP4089707C0 (en) 2023-10-18
EP4089707B1 EP4089707B1 (en) 2023-10-18

Family

ID=76231446

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21844626.8A Active EP4089707B1 (en) 2021-03-31 2021-08-27 2p2m electromagnetic residual current circuit breaker with overcurrent protection

Country Status (3)

Country Link
EP (1) EP4089707B1 (en)
CN (1) CN112951665A (en)
WO (1) WO2022205756A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN112967912A (en) * 2021-03-31 2021-06-15 英特曼电工（常州）有限公司 Operating mechanism of 2P2 modulus electromagnetic type leakage protection circuit breaker
CN214542079U (en) * 2021-03-31 2021-10-29 英特曼电工（常州）有限公司 Electric leakage protection device of 2P2 modulus electromagnetic type electric leakage protection circuit breaker
FR3133268A1 (en) * 2022-03-07 2023-09-08 Hager-Electro Sas Differential lock for electrical differential protection device
CN116072478B (en) * 2022-12-15 2023-08-25 加西亚电子电器股份有限公司 Two-pole four-modulus electromagnetic leakage circuit breaker

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT384906B (en) * 1985-12-02 1988-01-25 Felten & Guilleaume Ag Oester Fault current circuit breaker and circuit breaker (residual current device)
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
FR3016078A1 (en) * 2013-12-27 2015-07-03 Legrand France ELECTRICAL EQUIPMENT WITH MODULAR FORMAT
CN205542641U (en) * 2016-04-19 2016-08-31 浙江人民电器有限公司 Electric leakage indicating mechanism and circuit breaker
CN207149499U (en) * 2017-09-09 2018-03-27 浙江凯发电气有限公司 A kind of Minitype electrical leakage breaker N poles link gear
CN211150442U (en) * 2019-09-29 2020-07-31 上海良信电器股份有限公司 Internal layout structure of residual current circuit breaker
CN212136379U (en) * 2020-05-27 2020-12-11 长城电器集团浙江科技有限公司 Double-mechanism double-handle integrated leakage 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
CN112951665A (en) 2021-06-11
WO2022205756A1 (en) 2022-10-06
EP4089707A4 (en) 2022-11-16
EP4089707A1 (en) 2022-11-16
EP4089707B1 (en) 2023-10-18

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