CA1015810A - Trip unit having improved trip adjustment indicator and circuit breaker incorporating same - Google Patents

Trip unit having improved trip adjustment indicator and circuit breaker incorporating same

Info

Publication number
CA1015810A
CA1015810A CA209,314A CA209314A CA1015810A CA 1015810 A CA1015810 A CA 1015810A CA 209314 A CA209314 A CA 209314A CA 1015810 A CA1015810 A CA 1015810A
Authority
CA
Canada
Prior art keywords
trip
circuit breaker
incorporating same
improved
adjustment indicator
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
CA209,314A
Other versions
CA209314S (en
Inventor
David B. Powell
Vincent P. Acampora
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of CA1015810A publication Critical patent/CA1015810A/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
    • H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
CA209,314A 1973-11-08 1974-09-16 Trip unit having improved trip adjustment indicator and circuit breaker incorporating same Expired CA1015810A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00413840A US3831120A (en) 1973-11-08 1973-11-08 Trip unit having improved trip adjustment indicator and circuit breaker incorporating same

Publications (1)

Publication Number Publication Date
CA1015810A true CA1015810A (en) 1977-08-16

Family

ID=23638877

Family Applications (1)

Application Number Title Priority Date Filing Date
CA209,314A Expired CA1015810A (en) 1973-11-08 1974-09-16 Trip unit having improved trip adjustment indicator and circuit breaker incorporating same

Country Status (2)

Country Link
US (1) US3831120A (en)
CA (1) CA1015810A (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2805181C2 (en) 1978-02-03 1979-12-13 Siemens Ag, 1000 Berlin Und 8000 Muenchen Adjustment device with latching steps for triggers for electrical switchgear
US4267539A (en) * 1979-08-02 1981-05-12 Heinemann Electric Company Circuit breaker having a cam for external adjustment of its trip point
DE3545845C2 (en) * 1985-12-23 1993-10-07 Asea Brown Boveri Multi-phase circuit breaker with a device for setting the current range
US4752233A (en) * 1987-07-20 1988-06-21 General Electric Company Electric power panelboard adapter module
FR2641644B1 (en) * 1989-01-11 1996-05-10 Merlin Gerin DEVICE FOR ADJUSTMENT OF AN ELECTRICAL DEVICE
FR2704091B1 (en) * 1993-04-16 1995-06-02 Merlin Gerin Device for adjusting the tripping threshold of a multipole circuit breaker.
FR2727567B1 (en) * 1994-11-28 1997-01-03 Schneider Electric Sa ANTI-DEGRADING DEVICE IN CALIBRATION OF A CIRCUIT BREAKER FOLLOWING THE ADAPTATION OF AN AUXILIARY
US5821485A (en) * 1997-04-25 1998-10-13 General Electric Company Circuit breaker electronic trip unit with adjustable settings
EP1202317A1 (en) * 2000-10-23 2002-05-02 ABL SURSUM BAYERISCHE ELEKTROZUBEHÖR GmbH & Co. KG Circuit breaker with bimetal calibration
US7592888B2 (en) * 2006-07-14 2009-09-22 Jason Robert Colsch Low cost user adjustment, resistance to straying between positions, increased resistance to ESD, and consistent feel
DE202007017951U1 (en) * 2007-12-20 2009-04-23 Paul Hettich Gmbh & Co. Kg Housing with an assembly arranged therein
US20090315568A1 (en) * 2008-01-09 2009-12-24 Kent Jeffrey Holce Manually Pre-Settable Proof of Flow Current Sensor Apparatus, System, and/or Method
US20100321032A1 (en) * 2008-01-09 2010-12-23 Kent Jeffrey Holce Pre-Settable Current Sensing Apparatus, System, and/or Method
KR101513210B1 (en) * 2013-11-11 2015-04-17 엘에스산전 주식회사 Over current relay
USD776622S1 (en) * 2015-02-13 2017-01-17 Layerzero Power Systems, Inc. Cover
CA2937325C (en) 2015-08-13 2023-10-10 Layerzero Power Systems, Inc. Circuit breaker terminal cover and strip of terminal covers
US9627160B1 (en) * 2016-02-10 2017-04-18 Siemens Aktiengesellschaft Systems and methods for rotary knob friction adjustment control
CN105810525B (en) * 2016-04-21 2018-06-08 首瑞（天津）电气设备有限公司 Buckle releaser idle running regulating device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3084236A (en) * 1960-10-12 1963-04-02 Gen Electric Electric circuit breaker
US3181041A (en) * 1963-02-19 1965-04-27 Gen Electric Circuit breaker with magnetic trip adjusting means
US3389361A (en) * 1967-09-21 1968-06-18 Robertshaw Controls Co Thermostatic switch construction having fixed contacts and movable contacts means therebetween
US3758887A (en) * 1968-02-06 1973-09-11 Westinghouse Electric Corp Multi-pole circuit breaker with single trip adjustment for all poles
US3593234A (en) * 1970-02-09 1971-07-13 Cutler Hammer Inc Trip adjustment means for instantaneous trip circuit breaker

Also Published As

Publication number Publication date
US3831120A (en) 1974-08-20

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