ZA734872B - An improvement in or relating to circuit breaker system - Google Patents

An improvement in or relating to circuit breaker system

Info

Publication number
ZA734872B
ZA734872B ZA734872A ZA734872A ZA734872B ZA 734872 B ZA734872 B ZA 734872B ZA 734872 A ZA734872 A ZA 734872A ZA 734872 A ZA734872 A ZA 734872A ZA 734872 B ZA734872 B ZA 734872B
Authority
ZA
South Africa
Prior art keywords
relating
improvement
circuit breaker
breaker system
circuit
Prior art date
Application number
ZA734872A
Inventor
J Misencik
C Nystrom
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 ZA734872B publication Critical patent/ZA734872B/en

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
    • H01H71/1009—Interconnected mechanisms
    • H01H71/1027—Interconnected mechanisms comprising a bidirectional connecting member actuated by the opening movement of one pole to trip a neighbour pole
ZA734872A 1972-07-31 1973-07-17 An improvement in or relating to circuit breaker system ZA734872B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US27628472A 1972-07-31 1972-07-31

Publications (1)

Publication Number Publication Date
ZA734872B true ZA734872B (en) 1974-06-26

Family

ID=23056014

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA734872A ZA734872B (en) 1972-07-31 1973-07-17 An improvement in or relating to circuit breaker system

Country Status (11)

Country Link
US (1) US3760308A (en)
JP (1) JPS54502B2 (en)
AR (1) AR195925A1 (en)
AU (1) AU473279B2 (en)
BR (1) BR7305808D0 (en)
CA (1) CA977800A (en)
ES (1) ES417370A1 (en)
FR (1) FR2197223B1 (en)
GB (1) GB1431316A (en)
IT (1) IT997388B (en)
ZA (1) ZA734872B (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3849751A (en) * 1973-02-06 1974-11-19 Cutler Hammer Inc Electric circuit breakers
US3860898A (en) * 1973-09-11 1975-01-14 Westinghouse Electric Corp Circuit breaker for distribution transformer
JPS548357Y2 (en) * 1973-10-16 1979-04-17
US3848211A (en) * 1973-12-14 1974-11-12 Robertshaw Controls Co Electrical switch construction and an electrical control system utilizing the same or the like
GB1473203A (en) * 1974-09-20 1977-05-11 Ottermill Ltd Electric circuit breaker arrangement
GB1525157A (en) * 1975-08-06 1978-09-20 Ellenberger & Poensgen Multi-pole excess current circuit breaker
US4616200A (en) * 1984-09-12 1986-10-07 Square D Company Circuit breaker
US5250918A (en) * 1992-05-05 1993-10-05 Square D Company Automatic miniature circuit breaker with Z-axis assemblage current response mechanism
JPH09198988A (en) * 1996-01-22 1997-07-31 Nitto Kogyo Kk Multi-pole breaker
US5844188A (en) * 1996-12-19 1998-12-01 Siemens Energy & Automation, Inc. Circuit breaker with improved trip mechanism
US6087914A (en) * 1996-12-19 2000-07-11 Siemens Energy & Automation, Inc. Circuit breaker combination thermal and magnetic trip actuator
US5894260A (en) * 1996-12-19 1999-04-13 Siemens Energy & Automation, Inc. Thermal sensing bi-metal trip actuator for a circuit breaker
US5866996A (en) * 1996-12-19 1999-02-02 Siemens Energy & Automation, Inc. Contact arm with internal in-line spring
US5886600A (en) * 1998-01-14 1999-03-23 General Electric Company Modular thermal magnetic trip unit for rapid circuit interruption
US6801111B2 (en) * 2002-08-21 2004-10-05 Square D Company Latch for an electrical device
US7518482B2 (en) * 2006-10-10 2009-04-14 Dennis William Fleege Trip unit having a plurality of stacked bimetal elements
US7397333B2 (en) * 2006-10-18 2008-07-08 Square D Company Trip unit having bimetal element located outside the yoke
JP5665716B2 (en) * 2011-09-30 2015-02-04 三菱電機株式会社 Circuit breaker
CN102915890B (en) * 2012-10-25 2015-04-22 温州市新蓝天电器有限公司 Crow plate trip circuit breaker
US9496111B1 (en) * 2015-09-30 2016-11-15 Siemens Industry, Inc. Prong-less neutral connector assemblies, circuit breakers including prong-less neutral connector, panel boards with flexible neutral bars, and neutral connection methods
US10984974B2 (en) * 2018-12-20 2021-04-20 Schneider Electric USA, Inc. Line side power, double break, switch neutral electronic circuit breaker

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2797278A (en) * 1954-10-29 1957-06-25 Westinghouse Electric Corp Circuit breaker
US2989606A (en) * 1958-06-19 1961-06-20 Westinghouse Electric Corp Circuit breaker
US2996589A (en) * 1959-04-21 1961-08-15 Ite Circuit Breaker Ltd Pivoted bimetal
US3240902A (en) * 1960-08-25 1966-03-15 Westinghouse Electric Corp Circuit interrupting units with handletie structure
US3213241A (en) * 1960-09-26 1965-10-19 Westinghouse Electric Corp Insulating housing type circuit breaker
US3213249A (en) * 1961-08-02 1965-10-19 Westinghouse Electric Corp Circuit breaker with spring operating mechanism
US3288964A (en) * 1965-06-01 1966-11-29 Ite Circuit Breaker Ltd Spring trip multi-phase overload relay having a u-shaped bimetal with a pivot pin at its web portion
US3530412A (en) * 1968-07-17 1970-09-22 Ite Imperial Corp Circuit breaker stack including auxiliary alarm switch
US3550047A (en) * 1968-12-31 1970-12-22 Westinghouse Electric Corp Circuit breaker with improved trip means
US3548358A (en) * 1969-05-19 1970-12-15 Gen Electric Electric circuit breaker with bimetallic strip protective means

Also Published As

Publication number Publication date
FR2197223A1 (en) 1974-03-22
AR195925A1 (en) 1973-11-15
GB1431316A (en) 1976-04-07
AU5836673A (en) 1975-01-23
BR7305808D0 (en) 1974-07-11
AU473279B2 (en) 1976-06-17
JPS4945369A (en) 1974-04-30
ES417370A1 (en) 1976-03-01
JPS54502B2 (en) 1979-01-11
FR2197223B1 (en) 1977-08-05
US3760308A (en) 1973-09-18
IT997388B (en) 1975-12-30
CA977800A (en) 1975-11-11

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