CA975408A - Circuit breaker tripping device operable from a low energy tripping signal - Google Patents

Circuit breaker tripping device operable from a low energy tripping signal

Info

Publication number
CA975408A
CA975408A CA177,936A CA177936A CA975408A CA 975408 A CA975408 A CA 975408A CA 177936 A CA177936 A CA 177936A CA 975408 A CA975408 A CA 975408A
Authority
CA
Canada
Prior art keywords
circuit breaker
low energy
device operable
tripping
signal
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
CA177,936A
Other versions
CA177936S (en
Inventor
John H. Taylor
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
Application granted granted Critical
Publication of CA975408A publication Critical patent/CA975408A/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
    • H01H71/1072—Release mechanisms which are reset by opening movement of contacts
    • 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
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/32—Electromagnetic mechanisms having permanently magnetised part
    • H01H71/321—Electromagnetic mechanisms having permanently magnetised part characterised by the magnetic circuit or active magnetic elements
    • H01H71/323—Electromagnetic mechanisms having permanently magnetised part characterised by the magnetic circuit or active magnetic elements with rotatable armature
CA177,936A 1972-09-25 1973-08-01 Circuit breaker tripping device operable from a low energy tripping signal Expired CA975408A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29221172A 1972-09-25 1972-09-25

Publications (1)

Publication Number Publication Date
CA975408A true CA975408A (en) 1975-09-30

Family

ID=23123705

Family Applications (1)

Application Number Title Priority Date Filing Date
CA177,936A Expired CA975408A (en) 1972-09-25 1973-08-01 Circuit breaker tripping device operable from a low energy tripping signal

Country Status (3)

Country Link
US (1) US3783422A (en)
JP (1) JPS5422816B2 (en)
CA (1) CA975408A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3991391A (en) * 1974-01-29 1976-11-09 Westinghouse Electric Corporation Circuit interrupter with electromagnetic opening means
US3919676A (en) * 1974-02-04 1975-11-11 Westinghouse Electric Corp Permanent-magnet type relay
US4213109A (en) * 1977-02-09 1980-07-15 Compagnie Generale d'Appareillage Electrique C.G.A.E. Electromagnetic tripping device
JPS59189529A (en) * 1983-04-13 1984-10-27 株式会社日立製作所 Wiring breaker
US4719438A (en) * 1986-09-30 1988-01-12 Westinghouse Electric Corp. Circuit breaker with fast trip unit
US5192934A (en) * 1991-11-06 1993-03-09 Westinghouse Electric Corp. Circuit breaker having a trip actuator
FR2773910B1 (en) * 1998-01-16 2000-05-19 Schneider Electric Sa ELECTROMAGNETICALLY CONTROLLED SWITCHING APPARATUS
EP2466603A1 (en) * 2010-12-15 2012-06-20 Eaton Industries (Netherlands) B.V. Disconnector switch for voltage transformer
US10930462B2 (en) * 2017-10-12 2021-02-23 Rockwell Automation Technologies, Inc. Trip free relay

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1228329B (en) * 1961-04-17 1966-11-10 Westinghouse Electric Corp Electromagnetic device
US3544931A (en) * 1968-10-24 1970-12-01 Westinghouse Electric Corp Circuit breaker with improved trip means
US3609608A (en) * 1970-02-19 1971-09-28 Ite Imperial Corp Magnetic latch

Also Published As

Publication number Publication date
US3783422A (en) 1974-01-01
JPS4992559A (en) 1974-09-04
JPS5422816B2 (en) 1979-08-09

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