AU5852273A - Improvements in or relating to thermally responsive electrical control device for polyphase currents - Google Patents

Improvements in or relating to thermally responsive electrical control device for polyphase currents

Info

Publication number
AU5852273A
AU5852273A AU58522/73A AU5852273A AU5852273A AU 5852273 A AU5852273 A AU 5852273A AU 58522/73 A AU58522/73 A AU 58522/73A AU 5852273 A AU5852273 A AU 5852273A AU 5852273 A AU5852273 A AU 5852273A
Authority
AU
Australia
Prior art keywords
relating
control device
electrical control
thermally responsive
responsive electrical
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
AU58522/73A
Other versions
AU482881B2 (en
Inventor
Blaine Ramsey And Paul Thomas Anderson James
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.)
We Sting House Electric Corp
Original Assignee
We Sting House 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 We Sting House Electric Corp filed Critical We Sting House Electric Corp
Application granted granted Critical
Publication of AU482881B2 publication Critical patent/AU482881B2/en
Publication of AU5852273A publication Critical patent/AU5852273A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
    • H01H83/22—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages
    • H01H83/223—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages with bimetal elements
    • 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
    • H01H2071/109—Operating or release mechanisms with provisions for selecting between automatic or manual reset
    • 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
    • H01H71/14—Electrothermal mechanisms
    • H01H71/16—Electrothermal mechanisms with bimetal element
    • H01H71/162—Electrothermal mechanisms with bimetal element with compensation for ambient temperature
AU58522/73A 1972-08-04 1973-07-26 Improvements in or relating to thermally responsive electrical control device for polyphase currents Expired AU482881B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US27794072A 1972-08-04 1972-08-04
USUS277,940 1972-08-04

Publications (2)

Publication Number Publication Date
AU482881B2 AU482881B2 (en) 1975-01-30
AU5852273A true AU5852273A (en) 1975-01-30

Family

ID=

Also Published As

Publication number Publication date
US3743992A (en) 1973-07-03

Similar Documents

Publication Publication Date Title
AU473279B2 (en) Improvements in or relating to circuit breaker system
AU476175B2 (en) Improvements in or relating to thermally responsive electrical device
ZA741666B (en) An improvement in or relating to circuit interrupter protective device
CA1016979A (en) Thermally sensitive electrical switch
AU482881B2 (en) Improvements in or relating to thermally responsive electrical control device for polyphase currents
AU5852273A (en) Improvements in or relating to thermally responsive electrical control device for polyphase currents
AU470682B2 (en) Improvements relating to electrical switchgear
AU473882B2 (en) Improvements relating to electrical switchgear
AU477756B2 (en) Improvements in or relating to electric control device
AU5330273A (en) Improvements in or relating to electric control device
AU466348B2 (en) Improvements in or relating to thermally controlled electric switches
AU484232B2 (en) Improvements in or relating to circuit breaker including improved protective device
AU455037B2 (en) Improvements in or relating to thermally responsive electrical switching arrangements
AU490029B2 (en) Improvements in or relating to circuit interrupter trip device
ZA707059B (en) Improvements in or relating to control circuit for d.c.electric motors
AU410740B2 (en) Improvements in or relating to control device for poly-phase electrical system
CA927450A (en) Temperature responsive electric control device
AU2986271A (en) Improvements in or relating to thermally controlled electric switches
AU492080B2 (en) Improvements in or relating to current sensitive circuit system
AU5263273A (en) Improvements in or relating to circuit breaker including improved protective device
AU3305671A (en) Improvements in or relating to thermally responsive electrical switching arrangements
CA821626A (en) Thermally responsive electrical switches
AU6765474A (en) Improvements in or relating to circuit interrupter trip device
CA924359A (en) Temperature responsive electric switch
AU718066A (en) Improvements in or relating to control device for poly-phase electrical system