CH276842A - Dispositif thermique pour la protection d'un circuit électrique. - Google Patents

Dispositif thermique pour la protection d'un circuit électrique.

Info

Publication number
CH276842A
CH276842A CH276842DA CH276842A CH 276842 A CH276842 A CH 276842A CH 276842D A CH276842D A CH 276842DA CH 276842 A CH276842 A CH 276842A
Authority
CH
Switzerland
Prior art keywords
contacts
current
elements
currents
circuit
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
& Co Ltd Reyrolle
Original Assignee
Reyrolle A & Co Ltd
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 Reyrolle A & Co Ltd filed Critical Reyrolle A & Co Ltd
Publication of CH276842A publication Critical patent/CH276842A/fr

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/20Protective 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
    • H01H83/22Protective 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
    • H01H83/223Protective 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

Landscapes

  • Thermally Actuated Switches (AREA)
CH276842D 1947-11-13 1948-11-13 Dispositif thermique pour la protection d'un circuit électrique. CH276842A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB276842X 1947-11-13
GB201048X 1948-10-20

Publications (1)

Publication Number Publication Date
CH276842A true CH276842A (fr) 1951-07-31

Family

ID=26254450

Family Applications (1)

Application Number Title Priority Date Filing Date
CH276842D CH276842A (fr) 1947-11-13 1948-11-13 Dispositif thermique pour la protection d'un circuit électrique.

Country Status (4)

Country Link
BE (1) BE485728A (en(2012))
CH (1) CH276842A (en(2012))
FR (1) FR276842A (en(2012))
NL (1) NL76041C (en(2012))

Also Published As

Publication number Publication date
FR276842A (en(2012))
BE485728A (en(2012))
NL76041C (en(2012))

Similar Documents

Publication Publication Date Title
EP1977258B1 (fr) Dispositif de mesure de courant continu a forte dynamique de mesure, ensemble electrotechnique comportant un tel dispositif de mesure et dispositif de coupure ayant un tel ensemble electrotechnique
FR2648226A1 (fr) Dispositif de mesure de moment de torsion
CH276842A (fr) Dispositif thermique pour la protection d'un circuit électrique.
FR2462016A1 (fr) Interrupteur automatique a
FR2516305A1 (fr) Disjoncteur de branchement a controle de la puissance souscrite par un module pilote
EP3977577B1 (fr) Appareil de protection de ligne (l) electrique pour détecter un défaut de fuite, de court-circuit, de surintensité et d'arc
US2345430A (en) Direct current transformer
CH358153A (fr) Installation d'interconnexion de deux parties d'un réseau à courant alternatif polyphasé
FR2921769A1 (fr) Appareil de detection d'un courant de defaut
CH231517A (fr) Indicateur de distance de défaut dans une ligne électrique.
US1815861A (en) Protective apparatus
US1141642A (en) Electrical measuring apparatus.
CH157156A (fr) Installation de protection de circuits par relais de distance.
US1450415A (en) Protective device
BE448064A (en(2012))
CH108593A (fr) Relais de protection de circuits polyphasés.
US1294305A (en) Inverse time-limit relay.
FR2500682A1 (fr) Disjoncteur de courant de fuite
WO2019027443A1 (en) HIGH RESOLUTION MAGNETIC FIELD AND CURRENT SENSOR
CH113818A (fr) Appareil de protection d'un circuit électrique polyphasé.
US1732726A (en) Method of and apparatus for measuring volt amperes
CH261752A (fr) Relais pour courant alternatif.
US1982811A (en) Electromagnetic device
CH137242A (fr) Installation d'enregistrement oscillographique.
US2507836A (en) Variable transformer pick-off