BE522649A - - Google Patents

Info

Publication number
BE522649A
BE522649A BE522649DA BE522649A BE 522649 A BE522649 A BE 522649A BE 522649D A BE522649D A BE 522649DA BE 522649 A BE522649 A BE 522649A
Authority
BE
Belgium
Application number
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.)
Publication of BE522649A publication Critical patent/BE522649A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
    • H01H9/56—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere for ensuring operation of the switch at a predetermined point in the ac cycle
    • H01H9/563—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere for ensuring operation of the switch at a predetermined point in the ac cycle for multipolar switches, e.g. different timing for different phases, selecting phase with first zero-crossing

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Relay Circuits (AREA)
  • Thermally Actuated Switches (AREA)
BE522649D 1952-09-08 BE522649A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES30139A DE1040105B (en) 1952-09-08 1952-09-08 Three-phase switching device that switches off almost synchronously at zero current, z. B. Schuetz

Publications (1)

Publication Number Publication Date
BE522649A true BE522649A (en)

Family

ID=7480030

Family Applications (1)

Application Number Title Priority Date Filing Date
BE522649D BE522649A (en) 1952-09-08

Country Status (5)

Country Link
BE (1) BE522649A (en)
DE (1) DE1040105B (en)
FR (1) FR1083158A (en)
GB (1) GB752084A (en)
NL (1) NL181198B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4434074A1 (en) * 1994-09-23 1996-03-28 Siemens Ag Multipole contactor
EP3716431B1 (en) 2019-03-29 2022-10-26 ABB Schweiz AG Method of performing a circuit-breaking and closing operation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE765697C (en) * 1938-04-28 1953-05-11 Siemens Schuckertwerke A G Device for switching off three-phase electricity
DE692426C (en) * 1938-06-05 1940-06-19 Voigt & Haeffner Akt Ges Switch-off device for electrical three-phase switches

Also Published As

Publication number Publication date
FR1083158A (en) 1955-01-05
DE1040105B (en) 1958-10-02
GB752084A (en) 1956-07-04
NL181198B (en)

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