CH221442A - Overcurrent tripping relay with at least one tripping armature and an alternating current motor for time delay - Google Patents

Overcurrent tripping relay with at least one tripping armature and an alternating current motor for time delay

Info

Publication number
CH221442A
CH221442A CH221442DA CH221442A CH 221442 A CH221442 A CH 221442A CH 221442D A CH221442D A CH 221442DA CH 221442 A CH221442 A CH 221442A
Authority
CH
Switzerland
Prior art keywords
tripping
alternating current
time delay
current motor
armature
Prior art date
Application number
Other languages
German (de)
Inventor
Hermes Patentverwertun Haftung
Original Assignee
Hermes Patentverwertungs Gmbh
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 Hermes Patentverwertungs Gmbh filed Critical Hermes Patentverwertungs Gmbh
Publication of CH221442A publication Critical patent/CH221442A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/42—Induction-motor, induced-current, or electrodynamic release mechanisms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H53/00—Relays using the dynamo-electric effect, i.e. relays in which contacts are opened or closed due to relative movement of current-carrying conductor and magnetic field caused by force of interaction between them
    • H01H53/10—Induction relays, i.e. relays in which the interaction is between a magnetic field and current induced thereby in a conductor
    • 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
CH221442D 1937-08-20 1941-09-04 Overcurrent tripping relay with at least one tripping armature and an alternating current motor for time delay CH221442A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2199477X 1937-08-20
DE221442X 1940-09-19

Publications (1)

Publication Number Publication Date
CH221442A true CH221442A (en) 1942-05-31

Family

ID=32070570

Family Applications (1)

Application Number Title Priority Date Filing Date
CH221442D CH221442A (en) 1937-08-20 1941-09-04 Overcurrent tripping relay with at least one tripping armature and an alternating current motor for time delay

Country Status (5)

Country Link
US (1) US2199477A (en)
BE (1) BE443183A (en)
CH (1) CH221442A (en)
FR (1) FR876543A (en)
GB (2) GB498325A (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE975370C (en) * 1942-08-17 1961-11-16 Siemens Ag Bimetal relay for monitoring multi-phase consumers
GB624581A (en) * 1947-02-19 1949-06-13 Crabtree & Co Ltd J A Improvements in automatic circuit breakers having thermal overload release units
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
GB641269A (en) * 1947-08-02 1950-08-09 Ega Electric Ltd Improvements in or relating to electric switch gear
US2581882A (en) * 1948-07-27 1952-01-08 Cutler Hammer Inc Device for protecting polyphase circuits
US2749407A (en) * 1953-10-15 1956-06-05 Electrical Apparatus Co Ltd Single phasing preventor
DE1034252B (en) * 1954-12-29 1958-07-17 Siemens Ag Thermal overcurrent relay, in particular protection relay against single-phase operation of motors
DE1025497B (en) * 1954-12-29 1958-03-06 Siemens Ag Thermal overcurrent relay, in particular protection relay against single-phase operation of motors
US2866035A (en) * 1955-02-17 1958-12-23 C T Electrical Controls Ltd Thermally operated electric switching mechanisms
GB846937A (en) * 1957-09-16 1960-09-07 Crabtree & Co Ltd J A Improvements in thermal overload protection devices for motor starting switches
US3161733A (en) * 1961-11-01 1964-12-15 Sylvania Electric Prod Capacitance shorting switch for electrical translating devices
US3315054A (en) * 1965-06-28 1967-04-18 Fed Pacific Electric Co Overload relay with snap-acting condition responsive switch
DE1614743B1 (en) * 1967-11-27 1970-09-24 Starkstrom Schaltgeraetefabrik Thermal relay
US3792401A (en) * 1972-06-29 1974-02-12 Westinghouse Electric Corp Thermally responsive electrical device

Also Published As

Publication number Publication date
GB501885A (en) 1939-03-07
BE443183A (en)
GB498325A (en) 1939-01-06
FR876543A (en) 1942-11-09
US2199477A (en) 1940-05-07

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