EP4318536A4 - Circuit breaker - Google Patents

Circuit breaker

Info

Publication number
EP4318536A4
EP4318536A4 EP22900645.7A EP22900645A EP4318536A4 EP 4318536 A4 EP4318536 A4 EP 4318536A4 EP 22900645 A EP22900645 A EP 22900645A EP 4318536 A4 EP4318536 A4 EP 4318536A4
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
EP22900645.7A
Other languages
German (de)
French (fr)
Other versions
EP4318536A1 (en
Inventor
Xiaolong SHAN
Weijun GE
Youyi PAN
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.)
Chint Low Voltage Electrical Technology Co Ltd
Original Assignee
Chint Low Voltage Electrical Technology 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
Priority claimed from CN202111467381.0A external-priority patent/CN116230456A/en
Priority claimed from CN202123272320.7U external-priority patent/CN217333981U/en
Application filed by Chint Low Voltage Electrical Technology Co Ltd filed Critical Chint Low Voltage Electrical Technology Co Ltd
Publication of EP4318536A1 publication Critical patent/EP4318536A1/en
Publication of EP4318536A4 publication Critical patent/EP4318536A4/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02Housings; Casings; Bases; Mountings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02Housings; Casings; Bases; Mountings
    • H01H71/0207Mounting or assembling the different parts of the circuit breaker
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • H01H71/1009Interconnected mechanisms
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • H01H71/50Manual reset mechanisms which may be also used for manual release
    • H01H71/52Manual reset mechanisms which may be also used for manual release actuated by lever
    • H01H71/521Details concerning the lever handle
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • H01H71/50Manual reset mechanisms which may be also used for manual release
    • H01H71/52Manual reset mechanisms which may be also used for manual release actuated by lever
    • H01H71/522Manual reset mechanisms which may be also used for manual release actuated by lever comprising a cradle-mechanism
    • H01H71/525Manual reset mechanisms which may be also used for manual release actuated by lever comprising a cradle-mechanism comprising a toggle between cradle and contact arm and mechanism spring acting between handle and toggle knee
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • H01H71/50Manual reset mechanisms which may be also used for manual release
    • H01H71/52Manual reset mechanisms which may be also used for manual release actuated by lever
    • H01H71/526Manual 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
EP22900645.7A 2021-12-02 2022-12-02 Circuit breaker Pending EP4318536A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN202111467381.0A CN116230456A (en) 2021-12-02 2021-12-02 a circuit breaker
CN202123272320.7U CN217333981U (en) 2021-12-23 2021-12-23 Trip mechanism
PCT/CN2022/136052 WO2023098841A1 (en) 2021-12-02 2022-12-02 Circuit breaker

Publications (2)

Publication Number Publication Date
EP4318536A1 EP4318536A1 (en) 2024-02-07
EP4318536A4 true EP4318536A4 (en) 2025-04-23

Family

ID=86611540

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22900645.7A Pending EP4318536A4 (en) 2021-12-02 2022-12-02 Circuit breaker

Country Status (4)

Country Link
EP (1) EP4318536A4 (en)
KR (1) KR20240109215A (en)
AU (1) AU2022399749A1 (en)
WO (1) WO2023098841A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118156099B (en) * 2024-05-09 2024-07-23 北陆电气有限公司 Quick-mounting operating mechanism of universal circuit breaker, circuit breaker and assembly method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5017899A (en) * 1988-02-27 1991-05-21 Delta Circuit Protection & Controls Ltd. Circuit breaker
EP2608242A1 (en) * 2011-12-23 2013-06-26 Abb Ag Electrical load interrupter for low voltage
EP2608233A1 (en) * 2011-12-23 2013-06-26 Abb Ag Electrical load interrupter for low voltage

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006051807B8 (en) * 2006-11-03 2008-06-26 Abb Ag Electric switch
CN102254755B (en) * 2011-06-28 2013-10-16 法泰电器(江苏)股份有限公司 Operation mechanism of circuit breaker
CN211350533U (en) * 2019-12-14 2020-08-25 浙江正泰电器股份有限公司 Operating mechanism of circuit breaker
CN217333964U (en) * 2021-12-02 2022-08-30 上海正泰智能科技有限公司 a circuit breaker
CN217333981U (en) * 2021-12-23 2022-08-30 上海正泰智能科技有限公司 Trip mechanism
CN217333977U (en) * 2021-12-02 2022-08-30 上海正泰智能科技有限公司 Operating mechanism and switch device
CN217333864U (en) * 2021-12-02 2022-08-30 上海正泰智能科技有限公司 Switching device
CN217061795U (en) * 2021-12-02 2022-07-26 上海正泰智能科技有限公司 Operating mechanism and switch device
CN217333978U (en) * 2021-12-02 2022-08-30 上海正泰智能科技有限公司 Circuit breaker

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5017899A (en) * 1988-02-27 1991-05-21 Delta Circuit Protection & Controls Ltd. Circuit breaker
EP2608242A1 (en) * 2011-12-23 2013-06-26 Abb Ag Electrical load interrupter for low voltage
EP2608233A1 (en) * 2011-12-23 2013-06-26 Abb Ag Electrical load interrupter for low voltage

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023098841A1 *

Also Published As

Publication number Publication date
WO2023098841A1 (en) 2023-06-08
KR20240109215A (en) 2024-07-10
EP4318536A1 (en) 2024-02-07
AU2022399749A1 (en) 2023-11-09

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Ipc: H01H 71/10 20060101AFI20250314BHEP