EP4318538A4 - RESIDUAL CURRENT OPERATED CIRCUIT BREAKER - Google Patents

RESIDUAL CURRENT OPERATED CIRCUIT BREAKER

Info

Publication number
EP4318538A4
EP4318538A4 EP22937661.1A EP22937661A EP4318538A4 EP 4318538 A4 EP4318538 A4 EP 4318538A4 EP 22937661 A EP22937661 A EP 22937661A EP 4318538 A4 EP4318538 A4 EP 4318538A4
Authority
EP
European Patent Office
Prior art keywords
circuit breaker
residual current
operated circuit
current operated
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.)
Pending
Application number
EP22937661.1A
Other languages
German (de)
French (fr)
Other versions
EP4318538A1 (en
Inventor
Jianghua SHAO
Luobin LI
Lun Yang
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 EP4318538A1 publication Critical patent/EP4318538A1/en
Publication of EP4318538A4 publication Critical patent/EP4318538A4/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
    • H01H71/10—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
    • H01H83/20—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 imbalance 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 imbalance 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
    • H01H71/002—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00 with provision for switching the neutral conductor
    • 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
    • H01H71/0207—Mounting or assembling the different parts of the circuit breaker
    • 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
    • H01H71/1009—Interconnected mechanisms
    • H01H71/1027—Interconnected mechanisms comprising a bidirectional connecting member actuated by the opening movement of one pole to trip a neighbour pole
    • 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
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2463—Electromagnetic mechanisms with plunger type armatures
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Breakers (AREA)
EP22937661.1A 2022-06-08 2022-09-07 RESIDUAL CURRENT OPERATED CIRCUIT BREAKER Pending EP4318538A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210643972.7A CN114899055A (en) 2022-06-08 2022-06-08 Residual current operated circuit breaker
PCT/CN2022/117552 WO2023236380A1 (en) 2022-06-08 2022-09-07 Residual current operated circuit breaker

Publications (2)

Publication Number Publication Date
EP4318538A1 EP4318538A1 (en) 2024-02-07
EP4318538A4 true EP4318538A4 (en) 2025-03-26

Family

ID=82727712

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22937661.1A Pending EP4318538A4 (en) 2022-06-08 2022-09-07 RESIDUAL CURRENT OPERATED CIRCUIT BREAKER

Country Status (4)

Country Link
EP (1) EP4318538A4 (en)
CN (1) CN114899055A (en)
AU (1) AU2022453596A1 (en)
WO (1) WO2023236380A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114899055A (en) * 2022-06-08 2022-08-12 浙江正泰电器股份有限公司 Residual current operated circuit breaker
CN118588504B (en) * 2024-06-22 2024-11-15 浙江俊朗电气自动化股份有限公司 Leakage protection integrated circuit breaker

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202142482U (en) * 2011-03-09 2012-02-08 上海电科电器科技有限公司 Electric leakage tripping mechanism
CN102683130A (en) * 2011-03-09 2012-09-19 上海电科电器科技有限公司 Circuit breaker with optimized space allocation
EP2685484A1 (en) * 2011-03-09 2014-01-15 Seari Electric Technology Co., Ltd. Circuit breaker for optimizing space allocation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102683131B (en) * 2011-03-09 2014-10-08 上海电科电器科技有限公司 Circuit breaker for optimizing space allocation
CN108511288B (en) * 2018-03-07 2023-09-05 广东南冠电气有限公司 Small electromagnetic trip type leakage circuit breaker
CN113889377B (en) * 2020-07-02 2025-03-04 浙江正泰电器股份有限公司 breaker
CN212783272U (en) * 2020-07-03 2021-03-23 浙江正泰电器股份有限公司 Residual current operated circuit breaker
CN114899055A (en) * 2022-06-08 2022-08-12 浙江正泰电器股份有限公司 Residual current operated circuit breaker

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202142482U (en) * 2011-03-09 2012-02-08 上海电科电器科技有限公司 Electric leakage tripping mechanism
CN102683130A (en) * 2011-03-09 2012-09-19 上海电科电器科技有限公司 Circuit breaker with optimized space allocation
EP2685484A1 (en) * 2011-03-09 2014-01-15 Seari Electric Technology Co., Ltd. Circuit breaker for optimizing space allocation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023236380A1 *

Also Published As

Publication number Publication date
AU2022453596A1 (en) 2024-01-04
WO2023236380A1 (en) 2023-12-14
CN114899055A (en) 2022-08-12
EP4318538A1 (en) 2024-02-07

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Ipc: H01H 71/10 20060101AFI20250217BHEP

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