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AU7538674A - Improvements in or relating to circuit breaker with handle indicating means - Google Patents

Improvements in or relating to circuit breaker with handle indicating means

Info

Publication number
AU7538674A
AU7538674A AU75386/74A AU7538674A AU7538674A AU 7538674 A AU7538674 A AU 7538674A AU 75386/74 A AU75386/74 A AU 75386/74A AU 7538674 A AU7538674 A AU 7538674A AU 7538674 A AU7538674 A AU 7538674A
Authority
AU
Australia
Prior art keywords
relating
circuit breaker
indicating means
handle indicating
handle
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
AU75386/74A
Other versions
AU485043B2 (en
Inventor
Albert Prenna And Glenn Robert Thomas Stephen
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 AU485043B2 publication Critical patent/AU485043B2/en
Publication of AU7538674A publication Critical patent/AU7538674A/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)
AU75386/74A 1973-11-28 1974-11-14 Improvements in or relating to circuit breaker with handle indicating means Expired AU485043B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US00419744A US3849747A (en) 1973-11-28 1973-11-28 Circuit breaker with handle indicating means
USUS419744 1973-11-28

Publications (2)

Publication Number Publication Date
AU485043B2 AU485043B2 (en) 1976-05-20
AU7538674A true AU7538674A (en) 1976-05-20

Family

ID=

Also Published As

Publication number Publication date
CA972018A (en) 1975-07-29
US3849747A (en) 1974-11-19
ZA745867B (en) 1975-10-29
CH587558A5 (en) 1977-05-13
BE822678A (en) 1975-05-27
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

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