FR1060403A - Perfectionnement aux appareils de contrôle thermique des courants polyphasés - Google Patents

Perfectionnement aux appareils de contrôle thermique des courants polyphasés

Info

Publication number
FR1060403A
FR1060403A FR1060403DA FR1060403A FR 1060403 A FR1060403 A FR 1060403A FR 1060403D A FR1060403D A FR 1060403DA FR 1060403 A FR1060403 A FR 1060403A
Authority
FR
France
Prior art keywords
improvement
control devices
thermal control
polyphase currents
polyphase
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)
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
La 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 La Telemecanique Electrique SA filed Critical La Telemecanique Electrique SA
Application granted granted Critical
Publication of FR1060403A publication Critical patent/FR1060403A/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
FR1060403D 1952-07-18 1952-07-18 Perfectionnement aux appareils de contrôle thermique des courants polyphasés Expired FR1060403A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1003331X 1952-07-18

Publications (1)

Publication Number Publication Date
FR1060403A true FR1060403A (fr) 1954-04-01

Family

ID=9562908

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1060403D Expired FR1060403A (fr) 1952-07-18 1952-07-18 Perfectionnement aux appareils de contrôle thermique des courants polyphasés

Country Status (5)

Country Link
US (1) US2713623A (sv)
BE (1) BE521499A (sv)
DE (1) DE1003331B (sv)
FR (1) FR1060403A (sv)
GB (1) GB740282A (sv)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2866035A (en) * 1955-02-17 1958-12-23 C T Electrical Controls Ltd Thermally operated electric switching mechanisms
BE549732A (sv) * 1955-07-21
DE1014636B (de) * 1955-11-26 1957-08-29 Voigt & Haeffner Ag Anordnung fuer Schalter und Relais in Mehrphasen-Wechselstromkreisen zur Betaetigung einer Ausloesevorrichtung
US2964602A (en) * 1956-04-02 1960-12-13 Joe Davidson Snap acting mechanism
BE566795A (sv) * 1957-05-03
DE1051952B (de) * 1957-08-06 1959-03-05 Siemens Ag Getriebe fuer Bimetallueberstromausloeser
US3265831A (en) * 1962-06-21 1966-08-09 Westinghouse Electric Corp Thermally responsive electrical control device
US3743992A (en) * 1972-08-04 1973-07-03 Westinghouse Electric Corp Thermally responsive electrical control device for polyphase currents

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1652527A (en) * 1924-11-08 1927-12-13 Westinghouse Electric & Mfg Co Protective device
US2177775A (en) * 1936-07-25 1939-10-31 Square D Co Circuit breaker
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
BE488162A (sv) * 1948-05-04

Also Published As

Publication number Publication date
US2713623A (en) 1955-07-19
BE521499A (sv)
DE1003331B (de) 1957-02-28
GB740282A (en) 1955-11-09

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