Passive Current transformer Series IE modular

closed-loop current transformers


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Passive Current transformer Series IE modular

closed-loop current transformers


In the case of bushing-type current transformers, the customer’s primary wire is pushed
through the current transformer opening in the housing. The push-through opening depends
on the size of the primary current.
Wound primary type current transformers have a primary winding and a secondary winding.
Both windings are applied on the closed toroidal core and are isolated from each other by
insulation. This principle applies mainly where primary currents are small. Low-voltage current
transformers for the proportional transformation of large currents to directly measurable
smaller current values


  • Bolts or flat plug connection
  • Bushing-type current transformers for direct conductor feedthrough
  • In-phase current representation
  • Accuracy classes: 1; 0.5 ; 0.2
  • Toroidal cores made of high-quality magnetic cores
  • Frequency range 16 2/3 to 400 Hz optional
  • In-house core production: Special designs are possible
  • High core output power and high-quality insulation (UL)
  • Electrically isolated primary and secondary circuits
  • Easy-to-assemble modular-type housing
  • Variable connections, e.g. bolts, flat plugs, litz wires
  • Wide range of housings with various push-through openings
  • Very long lifetime

Typical applications

Industry,Renewable energy sources,Railway engineering,Energy,automation and building technology

Technical Data

Dimensions in mm