DK111274B - Overbelastningsrelæ til en motorstartkontakt. - Google Patents

Overbelastningsrelæ til en motorstartkontakt.

Info

Publication number
DK111274B
DK111274B DK133965AA DK133965A DK111274B DK 111274 B DK111274 B DK 111274B DK 133965A A DK133965A A DK 133965AA DK 133965 A DK133965 A DK 133965A DK 111274 B DK111274 B DK 111274B
Authority
DK
Denmark
Prior art keywords
starter switch
overload relay
motor starter
overload
relay
Prior art date
Application number
DK133965AA
Other languages
Danish (da)
English (en)
Inventor
J Fair
Original Assignee
Crabtree & Co Ltd J A
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 Crabtree & Co Ltd J A filed Critical Crabtree & Co Ltd J A
Publication of DK111274B publication Critical patent/DK111274B/da

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
    • H01H71/46—Automatic release mechanisms with or without manual release having means for operating auxiliary contacts additional to the main contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H01H50/18—Movable parts of magnetic circuits, e.g. armature
    • H01H50/20—Movable parts of magnetic circuits, e.g. armature movable inside coil and substantially lengthwise with respect to axis thereof; movable coaxially with respect to coil
    • H01H50/22—Movable parts of magnetic circuits, e.g. armature movable inside coil and substantially lengthwise with respect to axis thereof; movable coaxially with respect to coil wherein the magnetic circuit is substantially closed
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermally Actuated Switches (AREA)
  • Breakers (AREA)
  • Protection Of Generators And Motors (AREA)
DK133965AA 1964-03-16 1965-03-16 Overbelastningsrelæ til en motorstartkontakt. DK111274B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB10930/64A GB1039192A (en) 1964-03-16 1964-03-16 Improvements in and connected with thermal overload devices for contactor-operated motor starters

Publications (1)

Publication Number Publication Date
DK111274B true DK111274B (da) 1968-07-15

Family

ID=9976934

Family Applications (1)

Application Number Title Priority Date Filing Date
DK133965AA DK111274B (da) 1964-03-16 1965-03-16 Overbelastningsrelæ til en motorstartkontakt.

Country Status (7)

Country Link
US (1) US3349204A (no)
AT (1) AT264639B (no)
BE (1) BE661121A (no)
CH (1) CH419307A (no)
DE (1) DE1463033C3 (no)
DK (1) DK111274B (no)
GB (1) GB1039192A (no)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1538425A1 (de) * 1966-04-29 1969-11-06 Danfoss As Bimetall-Thermoausloeser
US3632939A (en) * 1970-02-16 1972-01-04 Westinghouse Electric Corp Circuit interrupter with improved molded insulating housing
DE2802553B1 (de) * 1978-01-19 1979-01-18 Siemens Ag Niederspannungs-Leistungsschalter mit geteiltem Isolierstoffgehaeuse

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB553154A (en) * 1942-07-24 1943-05-10 Electrical Apparatus Co Ltd An improved apparatus for protecting electrical apparatus against overload
US2429846A (en) * 1944-03-24 1947-10-28 Gen Electric Electric circuit interrupter
US2824939A (en) * 1955-03-17 1958-02-25 Westinghouse Electric Corp Cooling means for metal-clad switchgear
GB856057A (en) * 1957-09-16 1960-12-14 Crabtree & Co Ltd J A Improvements in arc shields for multi-pole electric switches

Also Published As

Publication number Publication date
DE1463033C3 (de) 1975-01-23
AT264639B (de) 1968-09-10
BE661121A (no) 1965-07-01
DE1463033B2 (de) 1972-08-03
US3349204A (en) 1967-10-24
GB1039192A (en) 1966-08-17
CH419307A (de) 1966-08-31
DE1463033A1 (de) 1968-12-12

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