2SIS - Current Transformers for Premset Switchgear

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A standard ring type current transformer of the ARU2 type (1A, 5P20 class) can be located under the core unit.

  • characteristics according to IEC 61869-2

  • one secondary winding for protection

  • frequency 50-60 Hz

ARU2 Specifications:

  • Max. Available Power (kVA)

    0.005
  • Max. Short-term Current (A)

    25000
  • Time of the short duration of current (s)

    3
  • Max. Primary rated current (A)

    1200
  • Min. Primary rated current (A)

    1