Current Transformers

Current transformers are used to transform high currents to standardized values for control equipment as relays and meters.

The primary winding in a current transformer is incorporated in the line and carries the current flowing in the network. The magnitude of the secondary current is dependent of the ratio of the transformer.

Our offering

  • CA(CXM)

  • IMB

    IMB oil-minimum current transformers are based on a tank type (hairpin) design with over 60 years of ABB experience. It is the most sold current transformer worldwide.

  • COF(CXM)

  • TG

    TG Gas-insulated high voltage current transformers up to 800 kV based on a top-core design, able to withstand current up to 4000 A.

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