CA912690A - Circuit breaker including improved overcurrent protective device - Google Patents

Circuit breaker including improved overcurrent protective device

Info

Publication number
CA912690A
CA912690A CA912690A CA912690DA CA912690A CA 912690 A CA912690 A CA 912690A CA 912690 A CA912690 A CA 912690A CA 912690D A CA912690D A CA 912690DA CA 912690 A CA912690 A CA 912690A
Authority
CA
Canada
Prior art keywords
circuit breaker
protective device
including improved
overcurrent protective
breaker including
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
CA912690A
Inventor
T. Wilson John
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.)
Publication date
Application granted granted Critical
Publication of CA912690A publication Critical patent/CA912690A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
    • H02H7/222—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices for switches
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H02H3/093—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current with timing means
CA912690A 1970-05-07 Circuit breaker including improved overcurrent protective device Expired CA912690A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US54090070A 1970-05-07 1970-05-07
US35409A US3634730A (en) 1970-05-07 1970-05-07 Circuit breaker including improved overcurrent protective device

Publications (1)

Publication Number Publication Date
CA912690A true CA912690A (en) 1972-10-17

Family

ID=69419836

Family Applications (1)

Application Number Title Priority Date Filing Date
CA912690A Expired CA912690A (en) 1970-05-07 Circuit breaker including improved overcurrent protective device

Country Status (5)

Country Link
US (1) US3634730A (en)
JP (2) JPS466178A (en)
BR (1) BR7002780D0 (en)
CA (1) CA912690A (en)
ZA (1) ZA712480B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3713005A (en) * 1972-03-30 1973-01-23 Westinghouse Electric Corp Circuit breaker including improved overcurrent protective device
US3713004A (en) * 1972-03-30 1973-01-23 Westinghouse Electric Corp Circuit breaker including improved protective device
JPS4939045A (en) * 1972-08-21 1974-04-11
CH566009A5 (en) * 1973-12-14 1975-08-29 Secheron Atel
JPS5335140A (en) * 1976-09-13 1978-04-01 Terasaki Denki Sangyo Kk Circuit breaker tripping unit
US4104691A (en) * 1976-09-30 1978-08-01 Westinghouse Electric Corp. Circuit breaker apparatus including asymmetrical fault detector
FR2547122B1 (en) * 1983-06-03 1985-07-05 Merlin Gerin SELECTIVE ELECTRONIC TRIGGER ASSOCIATED WITH A LIMITING CIRCUIT BREAKER
US4704546A (en) * 1986-07-31 1987-11-03 Westinghouse Electric Corp. Auctioneering circuit

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US25762A (en) * 1859-10-11 Lasting-pincers
US3419757A (en) * 1966-04-08 1968-12-31 Gen Electric Overcurrent protective means
US3444434A (en) * 1967-03-06 1969-05-13 Ite Imperial Corp Static time-overcurrent relay
US3484652A (en) * 1967-07-17 1969-12-16 Allis Chalmers Mfg Co Protection of a pulse modulated power system
JPS4946178A (en) * 1972-09-12 1974-05-02

Also Published As

Publication number Publication date
JPS5392140U (en) 1978-07-27
ZA712480B (en) 1972-01-26
BR7002780D0 (en) 1973-04-17
US3634730A (en) 1972-01-11
JPS466178A (en) 1971-12-07

Similar Documents

Publication Publication Date Title
CA947413A (en) Circuit breaker including improved overcurrent protective circuit
ZA712183B (en) An improvement in or relating to circuit breaker including improved overcurrent protective device
CA984498A (en) Circuit breaker including improved overcurrent protective device
CA912690A (en) Circuit breaker including improved overcurrent protective device
CA941415A (en) Circuit breaker including improved undervoltage trip means
CA855386A (en) Overcurrent protective device
CA923529A (en) Circuit breaker
CA984499A (en) Circuit breaker including improved protective device
CA946062A (en) Circuit breaker device
CA915302A (en) Circuit breaker including improved overcurrent protective device
CA915303A (en) Circuit breaker including improved overcurrent protective device
CA842365A (en) Electrical circuit overload protective device
AU471547B2 (en) Improvements in or relating to circuit breaker including improved overcurrent protective device
CA838760A (en) Trip-free circuit breaker device
CA777908A (en) Overcurrent protection circuit
CA841139A (en) Pushbutton-controlled overload circuit breaker
AU2778371A (en) Improvements in or relating to circuit breaker including improved overcurrent protective device
AU414379B2 (en) Highspeed circuit breaker trip device
CA866323A (en) Circuit breaker with improved trip device
CA801173A (en) Tripping device for circuit breakers
CA811291A (en) Circuit arrangements for overcurrent protection
CA841147A (en) Overcurrent circuit interrupter with bimetallic tripping means
CA788133A (en) Overload protection circuit
CA776816A (en) Circuit breaker having improved trip unit
CA789188A (en) Static overcurrent circuit breaker