EP4318531A4 - RESIDUAL CURRENT CIRCUIT BREAKER WITH A WIDTH OF 18 MM - Google Patents

RESIDUAL CURRENT CIRCUIT BREAKER WITH A WIDTH OF 18 MM

Info

Publication number
EP4318531A4
EP4318531A4 EP22909464.4A EP22909464A EP4318531A4 EP 4318531 A4 EP4318531 A4 EP 4318531A4 EP 22909464 A EP22909464 A EP 22909464A EP 4318531 A4 EP4318531 A4 EP 4318531A4
Authority
EP
European Patent Office
Prior art keywords
width
circuit breaker
current circuit
residual current
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
EP22909464.4A
Other languages
German (de)
French (fr)
Other versions
EP4318531A1 (en
Inventor
Xiaolong SHAN
Weijun GE
Guang LEI
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
Application filed by Chint Low Voltage Electrical Technology Co Ltd filed Critical Chint Low Voltage Electrical Technology Co Ltd
Publication of EP4318531A1 publication Critical patent/EP4318531A1/en
Publication of EP4318531A4 publication Critical patent/EP4318531A4/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
    • H01H71/1009—Interconnected mechanisms
    • 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
    • H01H71/04—Means for indicating condition of the switching device
    • 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
    • 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
    • H01H71/40—Combined electrothermal and electromagnetic mechanisms
    • 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
    • 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
    • H01H71/521—Details concerning the lever handle
    • 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
    • H01H71/522—Manual reset mechanisms which may be also used for manual release actuated by lever comprising a cradle-mechanism
    • 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
    • H01H71/528—Manual reset mechanisms which may be also used for manual release actuated by lever comprising a toggle or collapsible link between handle and contact arm, e.g. sear pin mechanism
    • 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
    • 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
    • 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
    • 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
    • H01H2083/201—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 abnormal electrical condition being an arc fault
    • 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
    • H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
    • H01H71/7427—Adjusting only the electrothermal mechanism
    • H01H71/7436—Adjusting the position (or prestrain) of the bimetal
    • 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
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H01H9/342—Venting arrangements for arc chutes

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Breakers (AREA)
  • Keying Circuit Devices (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
EP22909464.4A 2021-12-23 2022-10-17 RESIDUAL CURRENT CIRCUIT BREAKER WITH A WIDTH OF 18 MM Pending EP4318531A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202111595208.9A CN116344273A (en) 2021-12-23 2021-12-23 Residual current operated circuit breaker
PCT/CN2022/125618 WO2023116146A1 (en) 2021-12-23 2022-10-17 Residual current operated circuit-breaker with width of 18 mm

Publications (2)

Publication Number Publication Date
EP4318531A1 EP4318531A1 (en) 2024-02-07
EP4318531A4 true EP4318531A4 (en) 2025-04-09

Family

ID=86874981

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22909464.4A Pending EP4318531A4 (en) 2021-12-23 2022-10-17 RESIDUAL CURRENT CIRCUIT BREAKER WITH A WIDTH OF 18 MM

Country Status (5)

Country Link
EP (1) EP4318531A4 (en)
KR (1) KR20240121659A (en)
CN (1) CN116344273A (en)
AU (1) AU2022422516A1 (en)
WO (1) WO2023116146A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025112210A1 (en) * 2023-11-29 2025-06-05 广东美的制冷设备有限公司 Circuit board for electrical connection device and electrical connection device
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
CN121601506A (en) * 2024-08-19 2026-03-03 浙江正泰电器股份有限公司 Leakage protection circuit breaker
CN118748137B (en) * 2024-08-30 2024-12-27 浙江人民电器有限公司 A N-pole module for leakage circuit breaker
CN118969566B (en) * 2024-10-11 2025-02-11 加西亚电子电器股份有限公司 A miniature circuit breaker with a new layout
CN119787041B (en) * 2025-03-07 2025-07-22 东莞市康顺连接科技有限公司 Self-locking connector and connecting method thereof
CN119943625B (en) * 2025-04-09 2025-08-01 浙江九策智能电气有限公司 Small-sized circuit breaker
CN120748981B (en) * 2025-08-19 2025-11-25 浙江九策智能电气有限公司 A residual current circuit breaker
CN121075865B (en) * 2025-11-03 2026-02-03 浙江九策智能电气有限公司 A miniature residual current circuit breaker

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2552931A1 (en) * 1983-10-04 1985-04-05 Hager Electro Improvements to switches with automatic cutoff, in particular circuit breaker differential switches
EP1805776B1 (en) * 2004-10-26 2011-12-14 Eaton Industries (Netherlands) B.V. Mechanism for safety switch
CN113161203A (en) * 2021-04-23 2021-07-23 浙江天正电气股份有限公司 Electricity taking mechanism of residual current circuit breaker

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6172586B1 (en) * 1999-11-05 2001-01-09 Siemens Energy & Automation Inc. Terminal barrier system for molded case circuit breaker
CN207250433U (en) * 2017-07-26 2018-04-17 浙江正泰电器股份有限公司 Residual current action breaker
CN207441590U (en) * 2017-09-19 2018-06-01 浙江大展电器有限公司 A kind of residual current action breaker
CN209658114U (en) * 2019-03-21 2019-11-19 泉州亿兴电力有限公司 A circuit breaker with residual current action protection and residual current alarm
CN112466726B (en) * 2019-09-06 2025-10-03 上海正泰智能科技有限公司 breaker
CN212783318U (en) * 2020-07-02 2021-03-23 浙江正泰电器股份有限公司 Circuit 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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2552931A1 (en) * 1983-10-04 1985-04-05 Hager Electro Improvements to switches with automatic cutoff, in particular circuit breaker differential switches
EP1805776B1 (en) * 2004-10-26 2011-12-14 Eaton Industries (Netherlands) B.V. Mechanism for safety switch
CN113161203A (en) * 2021-04-23 2021-07-23 浙江天正电气股份有限公司 Electricity taking mechanism of residual current circuit breaker

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023116146A1 *

Also Published As

Publication number Publication date
CN116344273A (en) 2023-06-27
EP4318531A1 (en) 2024-02-07
KR20240121659A (en) 2024-08-09
WO2023116146A1 (en) 2023-06-29
AU2022422516A1 (en) 2023-11-09

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