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AU468770B2 - Improvements in or relating to circuit breaker including improved undervoltage trip means - Google Patents
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AU468770B2 - Improvements in or relating to circuit breaker including improved undervoltage trip means - Google Patents

Improvements in or relating to circuit breaker including improved undervoltage trip means

Info

Publication number
AU468770B2
AU468770B2 AU32139/71A AU3213971A AU468770B2 AU 468770 B2 AU468770 B2 AU 468770B2 AU 32139/71 A AU32139/71 A AU 32139/71A AU 3213971 A AU3213971 A AU 3213971A AU 468770 B2 AU468770 B2 AU 468770B2
Authority
AU
Australia
Prior art keywords
relating
circuit breaker
including improved
trip means
breaker including
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
AU32139/71A
Other versions
AU3213971A (en
Inventor
Jethalal Patel Nagar
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
Publication of AU3213971A publication Critical patent/AU3213971A/en
Application granted granted Critical
Publication of AU468770B2 publication Critical patent/AU468770B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/12—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by voltage falling below a predetermined value, e.g. for no-volt protection
AU32139/71A 1970-08-21 1971-08-09 Improvements in or relating to circuit breaker including improved undervoltage trip means Expired AU468770B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US6598470A 1970-08-21 1970-08-21
USUS65984 1970-08-21

Publications (2)

Publication Number Publication Date
AU3213971A AU3213971A (en) 1973-02-15
AU468770B2 true AU468770B2 (en) 1976-01-22

Family

ID=22066494

Family Applications (1)

Application Number Title Priority Date Filing Date
AU32139/71A Expired AU468770B2 (en) 1970-08-21 1971-08-09 Improvements in or relating to circuit breaker including improved undervoltage trip means

Country Status (3)

Country Link
US (1) US3611215A (en)
AU (1) AU468770B2 (en)
CA (1) CA941415A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3750059A (en) * 1972-07-31 1973-07-31 Westinghouse Electric Corp Circuit interrupting apparatus
US4016518A (en) * 1975-09-25 1977-04-05 Westinghouse Electric Corporation Circuit breaker with improved single coil actuator and undervoltage release mechanism
US4766270A (en) * 1985-07-12 1988-08-23 Square D Company Limited force interlock mechanism
US4677269A (en) * 1985-07-12 1987-06-30 Square D Company Isolation switch having a locking bail arm
US4855862A (en) * 1987-05-21 1989-08-08 Cooper Industries, Inc. Recloser undervoltage lockout mechanism
US7557681B2 (en) * 2007-04-09 2009-07-07 Eaton Corporation Electrical switching apparatus accessory sub-assembly employing reversible coil frame, and accessory and electrical switching apparatus employing the same
CN103681119A (en) * 2012-09-20 2014-03-26 昆山维安盛电子有限公司 Contactor

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL31465C (en) * 1929-01-25
US2840663A (en) * 1954-05-05 1958-06-24 Westinghouse Electric Corp Circuit breaker

Also Published As

Publication number Publication date
US3611215A (en) 1971-10-05
CA941415A (en) 1974-02-05
AU3213971A (en) 1973-02-15

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