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.

Unique Selling Point

  • 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

Technical Data

  • According to: EN/IEC 61869-1/2
  • Primary rated current: 500, 1000, 2500 A
  • Frequency range: 50 – 400 Hz
  • Primary rated current : 500 – 2500 A
  • Umgebungstemperatur : -25… +70 °C
  • Frequency range : 50… -400 Hz