GB2286486B - Circuit breaker - Google Patents

Circuit breaker

Info

Publication number
GB2286486B
GB2286486B GB9426393A GB9426393A GB2286486B GB 2286486 B GB2286486 B GB 2286486B GB 9426393 A GB9426393 A GB 9426393A GB 9426393 A GB9426393 A GB 9426393A GB 2286486 B GB2286486 B GB 2286486B
Authority
GB
United Kingdom
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.)
Expired - Fee Related
Application number
GB9426393A
Other versions
GB9426393D0 (en
GB2286486A (en
Inventor
Takashi Kitamura
Yoichi Yokohama
Yoichi Kunimoto
Tomoyuki Sawada
Hirofumi Konishi
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 JP1678294A external-priority patent/JP2972075B2/en
Priority claimed from JP01678394A external-priority patent/JP3619259B2/en
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Publication of GB9426393D0 publication Critical patent/GB9426393D0/en
Publication of GB2286486A publication Critical patent/GB2286486A/en
Application granted granted Critical
Publication of GB2286486B publication Critical patent/GB2286486B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01H71/12—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
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/14—Electrothermal mechanisms
    • H01H71/16—Electrothermal mechanisms with bimetal element
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/02—Details
    • H01H73/18—Means for extinguishing or suppressing arc
    • 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
    • H01H71/0214—Housing or casing lateral walls containing guiding grooves or special mounting facilities
    • 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
    • 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
    • H01H9/346—Details concerning the arc formation chamber

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
GB9426393A 1994-02-10 1994-12-30 Circuit breaker Expired - Fee Related GB2286486B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1678294A JP2972075B2 (en) 1994-02-10 1994-02-10 Circuit breaker
JP01678394A JP3619259B2 (en) 1994-02-10 1994-02-10 Circuit breaker

Publications (3)

Publication Number Publication Date
GB9426393D0 GB9426393D0 (en) 1995-03-01
GB2286486A GB2286486A (en) 1995-08-16
GB2286486B true GB2286486B (en) 1998-06-10

Family

ID=26353179

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9426393A Expired - Fee Related GB2286486B (en) 1994-02-10 1994-12-30 Circuit breaker

Country Status (4)

Country Link
CN (1) CN1037794C (en)
GB (1) GB2286486B (en)
HK (1) HK1012775A1 (en)
MY (1) MY116226A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10126851C1 (en) * 2001-06-01 2002-12-19 Siemens Ag Switching device with electromagnetic release having components supported by bearings provided by parts of housing of switching device
DE102006011982B4 (en) * 2005-10-26 2009-04-02 Abb Ag Electrical switching device
EP1876617A1 (en) * 2006-07-06 2008-01-09 ABB PATENT GmbH Electrical installation switch with pre-arcing chamber, arcing horns and current limiting arc chute
US8592709B2 (en) 2008-04-15 2013-11-26 General Electric Company Current path arrangement for a circuit breaker
CN101582354B (en) * 2009-06-08 2011-05-04 常熟开关制造有限公司(原常熟开关厂） Electromagnetic short current protective device for breaker
DE102010032828B4 (en) * 2010-07-30 2021-12-02 Siemens Aktiengesellschaft Switching device, in particular circuit breaker with toggle lever
EP2750157B1 (en) * 2012-12-27 2015-06-24 Hager Electro Sas Selective circuit-breaker arranged in a modular case
CN103681146B (en) * 2013-12-10 2016-08-17 德力西电气有限公司 A kind of miniature circuit breaker
KR102542379B1 (en) * 2020-03-03 2023-06-12 엘에스일렉트릭(주) Arc extinguishing assembly
IT202100023873A1 (en) 2021-09-16 2023-03-16 Gewiss Spa AUTOMATIC SWITCH

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0050719A1 (en) * 1980-08-21 1982-05-05 Heinrich Kopp GmbH & Co. KG Contact and extinguishing means for electrical automatic miniature switches
US4604507A (en) * 1983-12-26 1986-08-05 Merlin Gerin Miniature circuit breaker with improved insulation level
EP0444283A1 (en) * 1990-02-24 1991-09-04 Licentia Patent-Verwaltungs-GmbH Automatic cutout with an electromagnetic trip

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0050719A1 (en) * 1980-08-21 1982-05-05 Heinrich Kopp GmbH & Co. KG Contact and extinguishing means for electrical automatic miniature switches
US4604507A (en) * 1983-12-26 1986-08-05 Merlin Gerin Miniature circuit breaker with improved insulation level
EP0444283A1 (en) * 1990-02-24 1991-09-04 Licentia Patent-Verwaltungs-GmbH Automatic cutout with an electromagnetic trip

Also Published As

Publication number Publication date
GB9426393D0 (en) 1995-03-01
CN1108000A (en) 1995-09-06
GB2286486A (en) 1995-08-16
HK1012775A1 (en) 1999-08-06
CN1037794C (en) 1998-03-18
MY116226A (en) 2003-12-31

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 20000602

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20051230