CH275946A - Device for protecting three-phase motors against overcurrents. - Google Patents

Device for protecting three-phase motors against overcurrents.

Info

Publication number
CH275946A
CH275946A CH275946DA CH275946A CH 275946 A CH275946 A CH 275946A CH 275946D A CH275946D A CH 275946DA CH 275946 A CH275946 A CH 275946A
Authority
CH
Switzerland
Prior art keywords
protecting
phase motors
against overcurrents
motors against
overcurrents
Prior art date
Application number
Other languages
French (fr)
Inventor
Ateliers De Construction Delle
Original Assignee
Delle Atel Const Electr
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 Delle Atel Const Electr filed Critical Delle Atel Const Electr
Publication of CH275946A publication Critical patent/CH275946A/en

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
CH275946D 1947-06-26 1948-05-20 Device for protecting three-phase motors against overcurrents. CH275946A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR949806T 1947-06-26

Publications (1)

Publication Number Publication Date
CH275946A true CH275946A (en) 1951-06-15

Family

ID=9474721

Family Applications (1)

Application Number Title Priority Date Filing Date
CH275946D CH275946A (en) 1947-06-26 1948-05-20 Device for protecting three-phase motors against overcurrents.

Country Status (2)

Country Link
CH (1) CH275946A (en)
FR (1) FR949806A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1130912B (en) * 1959-10-03 1962-06-07 Elektra Tailfingen Thermal relay for protecting three-phase consumers
DE1197169B (en) * 1961-10-26 1965-07-22 Selco Elettro Costruzioni S P Thermal relay that responds to the difference in current in the individual phases, especially for three-phase current
DE1199869B (en) * 1962-01-12 1965-09-02 Elektro App Werke Berlin Trept Arrangement for setting the tripping device of a bimetal relay
DE1463424B1 (en) * 1963-09-06 1970-01-15 Metzenauer & Jung Gmbh Trip bar for a multi-phase thermal overcurrent relay

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1130912B (en) * 1959-10-03 1962-06-07 Elektra Tailfingen Thermal relay for protecting three-phase consumers
DE1197169B (en) * 1961-10-26 1965-07-22 Selco Elettro Costruzioni S P Thermal relay that responds to the difference in current in the individual phases, especially for three-phase current
DE1199869B (en) * 1962-01-12 1965-09-02 Elektro App Werke Berlin Trept Arrangement for setting the tripping device of a bimetal relay
DE1463424B1 (en) * 1963-09-06 1970-01-15 Metzenauer & Jung Gmbh Trip bar for a multi-phase thermal overcurrent relay

Also Published As

Publication number Publication date
FR949806A (en) 1949-09-09

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