TU40 Transformer

Description: Current transformer TU40 for measurement instrumentation. Is a transformer for bus-bar primary, either for cable or for bus-bar. The casing is made of plastic.

The TU40 have different transformation ratios, for primary ones 50 A to 1000 A and secondary 1A or 5 A. The accuracy classes can be 0.5, 1 or 3 according to the IEC 61869-2 standard.



  • Bus-bar primary
  • For low currents
  • For cable or bus-bar
  • Plastic casing
  • Narrow profile
  • Bar: 40 x 10
  • Cable: Ø 30
  • Accuracy: 0,5, 1 y 3
  • Ipn (A): VA

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TU40 Transformer

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TU40 Transformer