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CA1019792A - Test trip means for circuit breaker - Google Patents

Test trip means for circuit breaker

Info

Publication number
CA1019792A
CA1019792A CA210,238A CA210238A CA1019792A CA 1019792 A CA1019792 A CA 1019792A CA 210238 A CA210238 A CA 210238A CA 1019792 A CA1019792 A CA 1019792A
Authority
CA
Canada
Prior art keywords
circuit breaker
trip means
test trip
test
breaker
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
CA210,238A
Other versions
CA210238S (en
Inventor
Carl E. Cryctko
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 Industries Ltd
Original Assignee
ITE Industries Ltd
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 Industries Ltd filed Critical ITE Industries Ltd
Application granted granted Critical
Publication of CA1019792A publication Critical patent/CA1019792A/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
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/128—Manual release or trip mechanisms, e.g. for test purposes
    • 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
    • H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
    • H01H71/7463—Adjusting only the electromagnetic mechanism
CA210,238A 1973-12-03 1974-09-27 Test trip means for circuit breaker Expired CA1019792A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00421032A US3855557A (en) 1973-12-03 1973-12-03 Test trip means for circuit breaker

Publications (1)

Publication Number Publication Date
CA1019792A true CA1019792A (en) 1977-10-25

Family

ID=23668913

Family Applications (1)

Application Number Title Priority Date Filing Date
CA210,238A Expired CA1019792A (en) 1973-12-03 1974-09-27 Test trip means for circuit breaker

Country Status (2)

Country Link
US (1) US3855557A (en)
CA (1) CA1019792A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4267539A (en) * 1979-08-02 1981-05-12 Heinemann Electric Company Circuit breaker having a cam for external adjustment of its trip point
JPH0727750B2 (en) * 1984-12-26 1995-03-29 株式会社日立製作所 Circuit breaker
US5334939A (en) * 1992-11-13 1994-08-02 Cooper Industries, Inc. Ground fault circuit breaker test circuit for panelboards having minimum penetrations and testing circuit breakers without opening panelboard enclosure
US5576677A (en) * 1995-06-07 1996-11-19 Eaton Corporation Dual action armature
DE19903911B4 (en) * 1999-02-01 2004-09-23 Ge Power Controls Polska Sp.Z.O.O. Tripping device for switches and switch contact arrangement

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3775713A (en) * 1972-11-03 1973-11-27 Westinghouse Electric Corp Circuit breaker with externally operable means for manual adjustment and manual tripping

Also Published As

Publication number Publication date
US3855557A (en) 1974-12-17

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