CA954914A - Shunt trip and undervoltage device - Google Patents

Shunt trip and undervoltage device

Info

Publication number
CA954914A
CA954914A CA141,329A CA141329A CA954914A CA 954914 A CA954914 A CA 954914A CA 141329 A CA141329 A CA 141329A CA 954914 A CA954914 A CA 954914A
Authority
CA
Canada
Prior art keywords
shunt trip
undervoltage device
undervoltage
shunt
trip
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
CA141,329A
Other versions
CA141329S (en
Inventor
Albert Strobel
Howard R. Shaffer
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.)
ITE Imperial Corp
Original Assignee
ITE Imperial 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 ITE Imperial Corp filed Critical ITE Imperial Corp
Application granted granted Critical
Publication of CA954914A publication Critical patent/CA954914A/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
    • H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
    • 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
    • H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
    • H01H2083/205—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition having shunt or UVR tripping device with integrated mechanical energy accumulator
    • 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
    • H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
    • H01H2083/208—Converting under voltage release [UVR] and shunt release
CA141,329A 1971-10-04 1972-05-04 Shunt trip and undervoltage device Expired CA954914A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18634671A 1971-10-04 1971-10-04

Publications (1)

Publication Number Publication Date
CA954914A true CA954914A (en) 1974-09-17

Family

ID=22684582

Family Applications (1)

Application Number Title Priority Date Filing Date
CA141,329A Expired CA954914A (en) 1971-10-04 1972-05-04 Shunt trip and undervoltage device

Country Status (2)

Country Link
US (1) US3723924A (en)
CA (1) CA954914A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3815058A (en) * 1973-05-03 1974-06-04 Ite Imperial Corp Shunt trip device with integrally mounted auxiliary switch
US4048599A (en) * 1974-04-19 1977-09-13 Elektra Tailfingen Ammann & Cie Electric switching device
US4197567A (en) * 1974-07-05 1980-04-08 Square D Company Portable ground fault circuit interrupter
US3919674A (en) * 1974-11-26 1975-11-11 Gen Electric Accessory apparatus for tripping an electric circuit breaker
US4041423A (en) * 1975-12-08 1977-08-09 Square D Company Undervoltage release for circuit breaker
US4075584A (en) * 1976-10-06 1978-02-21 General Electric Company Undervoltage release device for circuit breakers
FR2779568B1 (en) * 1998-06-04 2000-07-13 Schneider Electric Ind Sa ELECTRICAL CUT-OFF DEVICE INCLUDING A DIFFERENTIAL TRIP DEVICE AND CIRCUIT BREAKER INCLUDING SUCH A DEVICE

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190513590A (en) * 1905-07-01 1905-11-23 Siemens Brothers & Co Ltd An Improvement in Electric Switches for Coin Freed Mechanisms, Time Switches or the like.
US1292651A (en) * 1917-07-06 1919-01-28 Electric Controller & Mfg Co Protective device for electric circuits.
US3175064A (en) * 1962-04-05 1965-03-23 Ite Circuit Breaker Ltd Shunt trip and under voltage device
US3324428A (en) * 1965-07-27 1967-06-06 Ite Circuit Breaker Ltd Shockproof shunt trip unit for tripping open the contacts of a circuit breaker

Also Published As

Publication number Publication date
US3723924A (en) 1973-03-27

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