Series 21 Current Transformers

80/100mm Busbars
Posted on Posted in Moulded Case Current Transformers


A range of moulded case current transformers suitable for primary currents from 400 – 5000A with built in sealable covers


For transforming various primary current into 5A or 1A standard secondary using 80 x 50mm or 100mm x 30mm busbars or cables up to 85mm diameter



  • Built in sealable terminal covers.
  • Base or Busbar mounting
  • Terminals suitable for screw or push on connectors.

 Technical Specification

  • Conforms to IEC185, BS 7626, BSEN 60044-1, IEC 60044-1 and IEC 61869-2.
  • Rated system voltage 0.72/3kV.
  • Ambient temperature range -5°C to +50°C.
  • Self extinguishing to UL94HB.


21 table
ORDER EXAMPLE: A moulded case current transformer type 211 with 5A secondary and 2500A primary 15VA class 1 is part number 211-5-K6