Passive Current transformer Series IN

Instrument transformers (Strands/clamps)


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Passive Current transformer Series IN

Instrument transformers (Strands/clamps)


The growing development and spread of electronic devices with high working frequencies requires the use of current transformers with an extended frequency range.

This demand can be met with specially selected materials in conjunction with optimized design.


  • Litz wires or terminals according to UL 94 V-0
  • Current transformers for precise current measurements
  • Measurements in the frequency range 16 2/3 to -50kHz
  • Use of nanocrystalline and high-quality cores
  • High-quality wires in temperature class F (155°C), H (180°C)
  • High-quality UL listed insulating materials (e.g. UL94-V0)
  • Safe electrically isolated primary and secondary circuits
  • High reliability
  • Non-critical in the event of overload currents
  • Robust housing designs (for horizontal/vertical mounting)
  • Shock and vibration tests in accordance with DIN EN 61373 Category 1 Class B
  • Variable connections: clamps, plugs, flat-cable plugs or cables
  • Wide range of housings with various push-through openings

Technical Data

  • According to: EN/IEC 61869-1/2
  • Primary rated current: 50 – 1.000 A
  • Frequency range: 50 – 50.000 Hz

Dimensions in mm