EP1475817A4 - Circuit breaker - Google Patents

Circuit breaker

Info

Publication number
EP1475817A4
EP1475817A4 EP01982867A EP01982867A EP1475817A4 EP 1475817 A4 EP1475817 A4 EP 1475817A4 EP 01982867 A EP01982867 A EP 01982867A EP 01982867 A EP01982867 A EP 01982867A EP 1475817 A4 EP1475817 A4 EP 1475817A4
Authority
EP
European Patent Office
Prior art keywords
circuit breaker
holding
arc
contacts
bases
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.)
Granted
Application number
EP01982867A
Other languages
German (de)
French (fr)
Other versions
EP1475817B1 (en
EP1475817A1 (en
Inventor
Shunichi Katsube
Kazunori Fukuya
Michihiro Hayashi
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP1475817A1 publication Critical patent/EP1475817A1/en
Publication of EP1475817A4 publication Critical patent/EP1475817A4/en
Application granted granted Critical
Publication of EP1475817B1 publication Critical patent/EP1475817B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01H71/02—Housings; Casings; Bases; Mountings
    • 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
    • H01H73/06—Housings; Casings; Bases; Mountings
    • 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
    • H01H2009/0077—Details of switching devices, not covered by groups H01H1/00 - H01H7/00 using recyclable materials, e.g. for easier recycling or minimising the packing material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H69/00—Apparatus or processes for the manufacture of emergency protective devices
    • 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
    • H01H71/025—Constructional details of housings or casings not concerning the mounting or assembly of the different internal parts
    • H01H71/0257—Strength considerations

Landscapes

  • Breakers (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)

Abstract

A circuit breaker having excellent heat resistance, arc resistance and over travel characteristics between contact points and suitable to recycle or reuse. The circuit breaker comprises mechanisms (7, 28, 29, 31, 32) for opening/closing holders (6, 26) holding movable contacts (5, 25) rotatably, and bases (2, 21) for holding the holders (6, 26) rotatably and also holding fixed side contacts (10, 23). When an overcurrent is detected, the movable contacts (5, 25) are rotated and an arc generated between contacts points is extinguished by arc-extinguishers (9, 34). The bases (2, 21) are insulating moldings principally comprising crystalline thermoplastic resin irradiated with an electron beam after molding.
EP01982867A 2001-11-20 2001-11-20 Circuit breaker Expired - Lifetime EP1475817B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2001/010134 WO2003044818A1 (en) 2001-11-20 2001-11-20 Circuit breaker

Publications (3)

Publication Number Publication Date
EP1475817A1 EP1475817A1 (en) 2004-11-10
EP1475817A4 true EP1475817A4 (en) 2008-04-16
EP1475817B1 EP1475817B1 (en) 2009-07-08

Family

ID=11737951

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01982867A Expired - Lifetime EP1475817B1 (en) 2001-11-20 2001-11-20 Circuit breaker

Country Status (7)

Country Link
EP (1) EP1475817B1 (en)
JP (1) JP4177255B2 (en)
KR (1) KR100528152B1 (en)
CN (1) CN1255839C (en)
DE (1) DE60139216D1 (en)
TW (1) TW526509B (en)
WO (1) WO2003044818A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007042310A (en) * 2005-08-01 2007-02-15 Fuji Electric Fa Components & Systems Co Ltd Switching/control device
JP4655094B2 (en) 2008-02-08 2011-03-23 富士電機機器制御株式会社 Arc extinguishing resin processed product and circuit breaker using the same
CN101604600B (en) * 2009-06-05 2012-10-03 上海诺雅克电气有限公司 Multi-stage breaker with auxiliary supports
CN101707166B (en) * 2009-09-29 2013-04-10 湖北盛佳电器设备有限公司 Built-in B type intelligent circuit breaker with automatic closing function
JP7079578B2 (en) * 2017-08-22 2022-06-02 ポリプラスチックス株式会社 Flame-retardant polybutylene terephthalate resin composition
KR102054332B1 (en) * 2018-06-26 2019-12-10 엘에스산전 주식회사 Arc Extinguish Chamber Base of Molded Case Circuit Breaker
CN109777052A (en) * 2019-01-07 2019-05-21 宏秀电气有限公司 One or two fusion device shell body materials
CN114171348B (en) * 2021-12-07 2024-10-11 山西汾西重工有限责任公司 Contact group assembling device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54131689A (en) * 1978-04-03 1979-10-12 Teijin Ltd Preparation of crosslinked aromatic polyester
JP2901249B2 (en) * 1988-07-23 1999-06-07 出光興産株式会社 Styrene polymer molded article and method for producing the same
JPH06251688A (en) * 1993-02-26 1994-09-09 Toshiba Lighting & Technol Corp Terminal device and circuit breaker
JPH0721897A (en) * 1993-06-29 1995-01-24 Fuji Electric Co Ltd Circuit breaker
CH689681A5 (en) * 1994-01-13 1999-08-13 Schurter Ag Electrical fuse and method for its production.
JP3418848B2 (en) * 1994-08-23 2003-06-23 財団法人歯友会 Plastic molded products modified by radiation
JP2001176372A (en) * 1999-12-21 2001-06-29 Mitsubishi Electric Corp Circuit breaker
JP2001307612A (en) * 2000-04-21 2001-11-02 Kawamura Electric Inc Circuit breaker

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *

Also Published As

Publication number Publication date
EP1475817B1 (en) 2009-07-08
TW526509B (en) 2003-04-01
KR100528152B1 (en) 2005-11-15
WO2003044818A1 (en) 2003-05-30
JPWO2003044818A1 (en) 2005-03-24
JP4177255B2 (en) 2008-11-05
DE60139216D1 (en) 2009-08-20
KR20040021583A (en) 2004-03-10
CN1255839C (en) 2006-05-10
EP1475817A1 (en) 2004-11-10
CN1486500A (en) 2004-03-31

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