10kV Two-Core Current Transformers

Medium-Voltage Current Transformers (10~25 kV)


About the Product

The EWF-10D Series two-core current transformers are designed for 12 kV (max.) power systems and intended to be used with measuring (or monitoring) instruments and protective relays. Insulated with Araldite® epoxy resin, these current transformers meet the requirements of all major electrical standards. In addition to superior insulation, these products are also characterized by high mechanical properties and excellent resistance against moisture.

Product Features

  • Indoor application
  • Cast in Araldite® epoxy resin
  • Standards: IEC or IEEE
  • System Voltage: ≦12kV
  • Frequency: 50/60 Hz
  • AC/BIL: 28/75 kV

Selection Table

Note: Other standards and specifications available upon request.


Available Models




10kV Two-Core Current Transformers (EWF-10D Series)

Easy-to-print document, containing product description, specifications, and a selection table.

CT & PT Selection Guide: How to Choose a Current Transformer or Potential Transformer

How to select, based on application and power system attributes, the primary and secondary currents, burden, accuracy, rated frequency, type (indoor vs. outdoor), insulation material, etc.