CA1254931A - Molded case circuit breaker with an improved internal venting system - Google Patents

Molded case circuit breaker with an improved internal venting system

Info

Publication number
CA1254931A
CA1254931A CA000485250A CA485250A CA1254931A CA 1254931 A CA1254931 A CA 1254931A CA 000485250 A CA000485250 A CA 000485250A CA 485250 A CA485250 A CA 485250A CA 1254931 A CA1254931 A CA 1254931A
Authority
CA
Canada
Prior art keywords
contact
arc
circuit breaker
expansion chamber
arc chute
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
Application number
CA000485250A
Other languages
English (en)
French (fr)
Inventor
David A. Leone
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse 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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of CA1254931A publication Critical patent/CA1254931A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01H73/22—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 having electrothermal release and no other automatic release
    • 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
    • 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

  • Breakers (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Circuit Breakers (AREA)
CA000485250A 1984-09-28 1985-06-26 Molded case circuit breaker with an improved internal venting system Expired CA1254931A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/655,957 US4581511A (en) 1984-09-28 1984-09-28 Molded case circuit breaker with an improved internal venting system
US655,957 1984-09-28

Publications (1)

Publication Number Publication Date
CA1254931A true CA1254931A (en) 1989-05-30

Family

ID=24631066

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000485250A Expired CA1254931A (en) 1984-09-28 1985-06-26 Molded case circuit breaker with an improved internal venting system

Country Status (16)

Country Link
US (1) US4581511A (instruction)
EP (1) EP0176870B1 (instruction)
JP (1) JP2582545B2 (instruction)
KR (1) KR930007120B1 (instruction)
AU (1) AU580093B2 (instruction)
BR (1) BR8504836A (instruction)
CA (1) CA1254931A (instruction)
DE (1) DE3577945D1 (instruction)
ES (1) ES296550Y (instruction)
HK (1) HK96893A (instruction)
IE (1) IE56866B1 (instruction)
IN (1) IN161579B (instruction)
MX (1) MX158098A (instruction)
NZ (1) NZ213552A (instruction)
PH (1) PH24141A (instruction)
ZA (1) ZA857065B (instruction)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0206249B1 (en) * 1985-05-10 1991-09-11 Mitsubishi Denki Kabushiki Kaisha Circuit breaker
JPH0755797Y2 (ja) * 1986-09-09 1995-12-20 三菱電機株式会社 回路しや断器
JPH0631635Y2 (ja) * 1987-04-21 1994-08-22 富士電機株式会社 配線用遮断器
US4866226A (en) * 1987-07-13 1989-09-12 Mitsubishi Denki Kabushiki Kaisha Multi-phase circuit breaker employing arc extinguishing apparatus
JP2701358B2 (ja) * 1988-09-02 1998-01-21 富士電機株式会社 回路遮断器
US4876424A (en) * 1988-09-19 1989-10-24 Siemens Energy & Automation, Inc. Barrier with a venting scheme for a circuit breaker
FR2655770B1 (fr) * 1989-12-11 1995-10-20 Merlin Gerin Disjoncteur multipolaire a filtre des gaz commun aux differents poles.
US5153545A (en) * 1991-10-07 1992-10-06 General Electric Company Molded case circuit breaker arc baffle insert
US5260533A (en) * 1991-10-18 1993-11-09 Westinghouse Electric Corp. Molded case current limiting circuit breaker
US5341191A (en) * 1991-10-18 1994-08-23 Eaton Corporation Molded case current limiting circuit breaker
US5583328A (en) * 1992-07-02 1996-12-10 Mitsubishi Denki Kabushiki Kaisha High voltage switch including U-shaped, slitted stationary contact assembly with arc extinguishing/magnetic blowout features
US5753878A (en) * 1996-04-23 1998-05-19 General Electric Company Circuit breaker having variable arc gas venting
US6002313A (en) * 1998-06-08 1999-12-14 Eaton Corporation Molded case circuit breaker with pressure release mechanism
DE60030840T2 (de) * 1999-12-02 2007-03-15 Mitsubishi Denki K.K. Leistungsschalter
JP4960072B2 (ja) * 2006-12-04 2012-06-27 三菱電機株式会社 回路遮断器
WO2012004651A1 (en) * 2010-07-08 2012-01-12 1/4Larsen & Toubro Limited An improved arc chamber assembly for use in moulded case circuit breakers
US9406466B2 (en) * 2014-09-10 2016-08-02 Siemens Industry, Inc. Expansion chambers for circuit breakers
DE102014223529A1 (de) 2014-11-18 2016-05-19 Volkswagen Aktiengesellschaft Gleichspannungsschalter für Hochvolt-Bordnetze
US10483068B1 (en) * 2018-12-11 2019-11-19 Eaton Intelligent Power Limited Switch disconnector systems suitable for molded case circuit breakers and related methods
DE102019135459A1 (de) 2019-12-20 2021-06-24 Deutsches Zentrum für Luft- und Raumfahrt e.V. Vorrichtung zur Unterbrechung eines elektrischen Kreises
DE102023132086B3 (de) 2023-11-17 2025-02-20 Deutsches Zentrum für Luft- und Raumfahrt e.V. Stromkreisunterbrechungsvorrichtung zum Unterbrechen eines elektrischen Kreises
DE202023002878U1 (de) 2023-11-17 2024-11-25 Deutsches Zentrum für Luft- und Raumfahrt e.V. Vorrichtung zur Unterbrechung eines elektrischen Kreises
DE202023002876U1 (de) 2023-11-17 2024-11-21 Deutsches Zentrum für Luft- und Raumfahrt e.V. Vorrichtung zur Unterbrechung eines elektrischen Kreises

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB745755A (en) * 1953-07-23 1956-02-29 Ferguson Pailin Ltd Improvements in or relating to air-break electric switches or circuit breakers
US2863969A (en) * 1956-11-19 1958-12-09 Ite Circuit Breaker Ltd Barriers for isolation of circuit breaker phases
FR1194613A (fr) * 1957-08-17 1959-11-10 Stotz Kontakt Gmbh Disjoncteur de grande puissance comportant au moins un canal d'admission des gaz en communication avec la chambre de soufflage de l'arc
US3341791A (en) * 1964-06-16 1967-09-12 Square D Co Electric circuit breaker with improved operating mechanism
US3422235A (en) * 1966-01-28 1969-01-14 Heinemann Electric Co Arcing grid case support means
DE1933529A1 (de) * 1969-07-02 1971-01-21 Bbc Brown Boveri & Cie Lichtbogenkammer aus Siebkeramik
US4271339A (en) * 1976-06-07 1981-06-02 S&C Electric Company High voltage circuit switch arrangement
JPS5416022U (instruction) * 1977-06-30 1979-02-01
JPS56101854U (instruction) * 1979-12-29 1981-08-10
JPS6347007Y2 (instruction) * 1981-05-20 1988-12-05
JPS5875727A (ja) * 1981-10-30 1983-05-07 松下電工株式会社 消弧装置
JPS5963946U (ja) * 1982-10-22 1984-04-27 三菱電機株式会社 回路しや断器の開閉装置
JPS6064545U (ja) * 1983-10-11 1985-05-08 松下電工株式会社 消弧装置
JPS60175336A (ja) * 1984-02-21 1985-09-09 三菱電機株式会社 回路しや断器

Also Published As

Publication number Publication date
AU4735685A (en) 1986-04-10
IE56866B1 (en) 1992-01-01
PH24141A (en) 1990-03-22
ES296550Y (es) 1989-06-01
EP0176870A2 (en) 1986-04-09
US4581511A (en) 1986-04-08
KR860002846A (ko) 1986-04-30
EP0176870B1 (en) 1990-05-23
AU580093B2 (en) 1988-12-22
HK96893A (en) 1993-09-24
EP0176870A3 (en) 1987-04-15
ZA857065B (en) 1986-04-30
JPS6185741A (ja) 1986-05-01
MX158098A (es) 1989-01-09
KR930007120B1 (ko) 1993-07-30
BR8504836A (pt) 1986-07-22
JP2582545B2 (ja) 1997-02-19
DE3577945D1 (de) 1990-06-28
IN161579B (instruction) 1987-12-26
IE852207L (en) 1986-03-28
NZ213552A (en) 1988-06-30
ES296550U (es) 1988-11-16

Similar Documents

Publication Publication Date Title
CA1254931A (en) Molded case circuit breaker with an improved internal venting system
US4631376A (en) Molded case circuit breaker with an improved arc gas external venting system
US2144475A (en) Circuit breaker
US4650940A (en) Circuit breaker with arc gas vent baffle
US4654490A (en) Reverse loop circuit breaker with high impedance stationary conductor
IL47253A (en) Automatic switch
US4642428A (en) Circuit interrupter
US20040056750A1 (en) Circuit breaker
US4559510A (en) Equipment protecting electrical circuit breaker
KR920002563B1 (ko) 다극회로차단기의 아크소호실(arc extinction chamber)장치
US5471184A (en) Circuit breaker
US3214537A (en) Electrical circuit protector having auxiliary indicating switch contacts
US5898152A (en) ARC chute assembly for circuit breaker
EP1471553B1 (en) Air circuit breaker
US4709294A (en) Device for contact protection and arc prevention of a switch
JP4007039B2 (ja) 回路遮断器
US5744772A (en) Molded case circuit breaker with arc suppressant features including magnetically permeable arc horn mounted on the contact arm
KR900000923B1 (ko) 회로차단기
CA1331998C (en) Circuit breaker with low voltage contact structure
US4056797A (en) Cradle for contact operating means
US6150908A (en) Circuit breaker with metal melt isolation device
US4097830A (en) Latch for contact operating mechanism
JP3035548U (ja) 開閉器の消弧室
KR900008407B1 (ko) 회로 차단기
JPH0342606Y2 (instruction)

Legal Events

Date Code Title Description
MKEX Expiry