FR1174508A - Dispositif de contrôle thermique pour courants polyphasés - Google Patents

Dispositif de contrôle thermique pour courants polyphasés

Info

Publication number
FR1174508A
FR1174508A FR1174508DA FR1174508A FR 1174508 A FR1174508 A FR 1174508A FR 1174508D A FR1174508D A FR 1174508DA FR 1174508 A FR1174508 A FR 1174508A
Authority
FR
France
Prior art keywords
control device
thermal control
polyphase currents
polyphase
currents
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
Other languages
English (en)
French (fr)
Inventor
Eusebe Bourdeau
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.)
Telemecanique SA
Original Assignee
Telemecanique Electrique SA
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 SA filed Critical Telemecanique Electrique SA
Application granted granted Critical
Publication of FR1174508A publication Critical patent/FR1174508A/fr
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
FR1174508D 1957-05-03 1957-05-03 Dispositif de contrôle thermique pour courants polyphasés Expired FR1174508A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR1174508A true FR1174508A (fr) 1959-03-12

Family

ID=9658699

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1174508D Expired FR1174508A (fr) 1957-05-03 1957-05-03 Dispositif de contrôle thermique pour courants polyphasés

Country Status (8)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1463424B1 (de) * 1963-09-06 1970-01-15 Metzenauer & Jung Gmbh Ausloeseleiste fuer ein mehrphasiges thermisches Ueberstromrelais

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 (de) * 1952-07-18
US2797277A (en) * 1954-09-24 1957-06-25 Westinghouse Electric Corp Circuit breaker

Also Published As

Publication number Publication date
CH347883A (fr) 1960-07-31
BE566795A (de)
LU36020A1 (de)
DE1066269B (de)
NL104154C (de)
US2864915A (en) 1958-12-16
GB858248A (en) 1961-01-11

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