ZA745867B - An improvement in or relating to circuit breaker with handle indicating means - Google Patents

An improvement in or relating to circuit breaker with handle indicating means

Info

Publication number
ZA745867B
ZA745867B ZA00745867A ZA745867A ZA745867B ZA 745867 B ZA745867 B ZA 745867B ZA 00745867 A ZA00745867 A ZA 00745867A ZA 745867 A ZA745867 A ZA 745867A ZA 745867 B ZA745867 B ZA 745867B
Authority
ZA
South Africa
Prior art keywords
relating
improvement
circuit breaker
indicating means
handle indicating
Prior art date
Application number
ZA00745867A
Inventor
G Thomas
S Mrenna
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 ZA745867B publication Critical patent/ZA745867B/en

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)
ZA00745867A 1973-11-28 1974-09-16 An improvement in or relating to circuit breaker with handle indicating means ZA745867B (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
ZA745867B true ZA745867B (en) 1975-10-29

Family

ID=23663572

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00745867A ZA745867B (en) 1973-11-28 1974-09-16 An improvement in or relating to circuit breaker with handle indicating means

Country Status (9)

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

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2361737A1 (en) * 1976-08-09 1978-03-10 Unelec CIRCUIT BREAKER WITH LOCKING DEVICE FOR THE CONTROL HANDLE IN THE EVENT OF WELDING OF THE CONTACTS
IT8223118V0 (en) * 1982-10-07 1982-10-07 Sace Spa ELECTRIC SWITCH WITH STOPPING THE CONTROL LEVER STROKE IN CASE OF WELDING THE 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 (en) * 2006-03-06 2009-02-18 Oez, S. R. O. Electric apparatus switching gear, particularly power circuit breaker switching gear
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

Also Published As

Publication number Publication date
ES206534U (en) 1976-04-01
DE2451915A1 (en) 1975-06-05
PH12900A (en) 1979-10-04
GB1452589A (en) 1976-10-13
ES206534Y (en) 1976-07-16
US3849747A (en) 1974-11-19
CA972018A (en) 1975-07-29
BE822678A (en) 1975-05-27
AU7538674A (en) 1976-05-20
CH587558A5 (en) 1977-05-13

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