GB1452589A - Circuit breaker with handle indicating means - Google Patents

Circuit breaker with handle indicating means

Info

Publication number
GB1452589A
GB1452589A GB4974374A GB4974374A GB1452589A GB 1452589 A GB1452589 A GB 1452589A GB 4974374 A GB4974374 A GB 4974374A GB 4974374 A GB4974374 A GB 4974374A GB 1452589 A GB1452589 A GB 1452589A
Authority
GB
United Kingdom
Prior art keywords
handle
contacts
breaker
arm
cradle member
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
GB4974374A
Other languages
English (en)
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.)
CBS 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
Publication of GB1452589A publication Critical patent/GB1452589A/en
Expired 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
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/501—Means for breaking welded contacts; Indicating contact welding or other malfunction of the circuit breaker
    • 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
    • H01H73/48—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 both electrothermal and electromagnetic automatic release
    • H01H73/50—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 both electrothermal and electromagnetic automatic release reset by lever
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S200/00—Electricity: circuit makers and breakers
    • Y10S200/42—Contact welding considerations

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
GB4974374A 1973-11-28 1974-11-18 Circuit breaker with handle indicating means Expired GB1452589A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00419744A US3849747A (en) 1973-11-28 1973-11-28 Circuit breaker with handle indicating means

Publications (1)

Publication Number Publication Date
GB1452589A true GB1452589A (en) 1976-10-13

Family

ID=23663572

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4974374A Expired GB1452589A (en) 1973-11-28 1974-11-18 Circuit breaker with handle indicating means

Country Status (9)

Country Link
US (1) US3849747A (es)
BE (1) BE822678A (es)
CA (1) CA972018A (es)
CH (1) CH587558A5 (es)
DE (1) DE2451915A1 (es)
ES (1) ES206534Y (es)
GB (1) GB1452589A (es)
PH (1) PH12900A (es)
ZA (1) ZA745867B (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2128411A (en) * 1982-10-07 1984-04-26 Sace Spa Electric switch in which the control lever travel is arrested if the contacts become welded together

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2361737A1 (fr) * 1976-08-09 1978-03-10 Unelec Disjoncteur avec dispositif de verrouillage de la poignee de commande en cas de soudure des contacts
ZA885260B (en) * 1987-04-21 1989-04-26 Circuit Breaker Ind An electric circuit breaker
US5128828A (en) * 1990-06-21 1992-07-07 Westinghouse Electric Corp. Panelboard circuit breaker mounting assembly
US5008645A (en) * 1990-07-30 1991-04-16 Westinghouse Electric Corp. Circuit breaker with tamper indicating calibration means
US5184717A (en) * 1991-05-29 1993-02-09 Westinghouse Electric Corp. Circuit breaker with welded contacts
US5213206A (en) * 1991-05-29 1993-05-25 Westinghouse Electric Corp. Circuit breaker with positive on/off interlock
US5165532A (en) * 1991-05-29 1992-11-24 Westinghouse Electric Corp. Circuit breaker with interlock for welding contacts
US5196815A (en) * 1992-01-31 1993-03-23 Westinghouse Electric Corp. Miniature circuit breaker
US5546060A (en) * 1994-12-22 1996-08-13 Eaton Corporation Support plate for a circuit breaker
US5805038A (en) * 1997-04-29 1998-09-08 Eaton Corporation Shock absorber for circuit breaker
US5910758A (en) * 1997-12-08 1999-06-08 Eaton Corporation Miniature circuit breaker with shunt trip device
US6483408B1 (en) 2000-10-12 2002-11-19 Eaton Corporation Circuit breaker with bypass for redirecting high transient current and associated method
US6515569B2 (en) 2000-12-18 2003-02-04 Eaton Corporation Circuit breaker with bypass conductor commutating current out of the bimetal during short circuit interruption and method of commutating current out of bimetal
US6894594B2 (en) * 2003-06-20 2005-05-17 Eaton Corporation Circuit breaker including a cradle and a pivot pin therefor
CZ300139B6 (cs) * 2006-03-06 2009-02-18 Oez, S. R. O. Spínací ústrojí elektrického prístroje, zvlášte výkonového jistice
US7859369B2 (en) * 2008-06-09 2010-12-28 Eaton Corporation Method of bi-directional thermal calibration of a circuit interrupter frame and circuit interrupter test system including the same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3525959A (en) * 1968-12-05 1970-08-25 Westinghouse Electric Corp Circuit breaker with improved latch reset
US3605052A (en) * 1970-01-22 1971-09-14 Gen Electric Avoidance of switching device false off handle indication
US3614685A (en) * 1970-02-06 1971-10-19 Westinghouse Electric Corp Circuit breaker with handle-indicating means

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2128411A (en) * 1982-10-07 1984-04-26 Sace Spa Electric switch in which the control lever travel is arrested if the contacts become welded together

Also Published As

Publication number Publication date
ES206534U (es) 1976-04-01
DE2451915A1 (de) 1975-06-05
PH12900A (en) 1979-10-04
ZA745867B (en) 1975-10-29
ES206534Y (es) 1976-07-16
US3849747A (en) 1974-11-19
CA972018A (en) 1975-07-29
BE822678A (fr) 1975-05-27
AU7538674A (en) 1976-05-20
CH587558A5 (es) 1977-05-13

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee