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3 Phase Current Transformer – Ziegler


3 in 1 CT

3 Phase Current Transformer

The 3 in 1 type CTs enable easy installation with reference to MCB and MCCBs used in the panel. These CTs are categorized in 3 variants as specified below. Some variants of ZIS provides RJ12 Connections reducing the wiring efforts while connecting it with meters and on CT terminals.


Product Features

  • Compact Size, saves space in the panel with good aesthetics
  • Hinged and wire sealable terminal cover
  • Dual secondary connection facility giving access from both sides of transformers
  • Class 0.5, 1 & 3
  • Primary Current ratings 60A to 800A
  • Secondary Current ratings 5A & 1A (0.1A for ZIN series & ZIS 3P Series with RJ12 connection CTs)
  • VA ratings available from 0.25VA to 5VA
  • ISF value : 5, 10


  • IEC : 61869 – 1 & 2
  • IEC : 60044 – 1