High voltage rigid bar type current transformers | Straton Electricals

Bar Type Current Transformers are used in high voltage system to transform high currents (upto 4000A) to standardized low currents (1A or 5A) that are connected to revenue-based meters, protective relays and other system current monitoring instruments.

Key features

  • Oil Impregnated paper insulation with fine graded bushing provides uniform dielectric strength throughout the active part.
  • Primary construction is rigid bar type design that enables to withstand large short time currents.
  • Partial Discharge free upto power-frequency withstand voltage.
  • Available with nitrogen-free SS Bellows for oil volume variation.
  • Available with Polymer or Porcelain External insulation.
  • Installation friendly stud type DIN terminals for secondary terminal connections.


  • Complies to IEC 61869-1 & 2 / IS 16227(Part 1 & 2).
  • In-house testing of Thermal stability and temperature coefficient test is also available as per customer requirements.
  • Available in Aluminium or MS fabricated housing.
  • Available in Hot Dipped galvanized or polyurethane customized colour paint for MS fabricated housing.
  • Available with Polymer or Porcelain External insulation.
  • Up to 3 Year Warranty available*
  • Delivery timelines of within 2-3 weeks*