CH347883A - Thermal control device for polyphase currents - Google Patents

Thermal control device for polyphase currents

Info

Publication number
CH347883A
CH347883A CH347883DA CH347883A CH 347883 A CH347883 A CH 347883A CH 347883D A CH347883D A CH 347883DA CH 347883 A CH347883 A CH 347883A
Authority
CH
Switzerland
Prior art keywords
control device
thermal control
polyphase currents
polyphase
currents
Prior art date
Application number
Other languages
French (fr)
Original Assignee
Telemecanique Electrique
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 Telemecanique Electrique filed Critical Telemecanique Electrique
Publication of CH347883A publication Critical patent/CH347883A/en

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
CH347883D 1957-05-03 1958-04-14 Thermal control device for polyphase currents CH347883A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1174508T 1957-05-03

Publications (1)

Publication Number Publication Date
CH347883A true CH347883A (en) 1960-07-31

Family

ID=9658699

Family Applications (1)

Application Number Title Priority Date Filing Date
CH347883D CH347883A (en) 1957-05-03 1958-04-14 Thermal control device for polyphase currents

Country Status (8)

Country Link
US (1) US2864915A (en)
BE (1) BE566795A (en)
CH (1) CH347883A (en)
DE (1) DE1066269B (en)
FR (1) FR1174508A (en)
GB (1) GB858248A (en)
LU (1) LU36020A1 (en)
NL (1) NL104154C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1463424B1 (en) * 1963-09-06 1970-01-15 Metzenauer & Jung Gmbh Trip bar for a multi-phase thermal overcurrent relay

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1910494A (en) * 1931-06-11 1933-05-23 Condit Electrical Mfg Corp Thermal relay
GB624957A (en) * 1947-07-17 1949-06-20 British Thomson Houston Co Ltd Improvements in and relating to current sensitive devices for the protection of polyphase circuits
US2581882A (en) * 1948-07-27 1952-01-08 Cutler Hammer Inc Device for protecting polyphase circuits
BE521499A (en) * 1952-07-18
US2797277A (en) * 1954-09-24 1957-06-25 Westinghouse Electric Corp Circuit breaker

Also Published As

Publication number Publication date
NL104154C (en)
US2864915A (en) 1958-12-16
BE566795A (en)
LU36020A1 (en)
DE1066269B (en)
GB858248A (en) 1961-01-11
FR1174508A (en) 1959-03-12

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