TU_ Current transformers. Wound primary

TU_ Current transformers for measurement instrumentation. They are bus-bar transformers for low currents. Their envelope is made of plastic and have the possibility of being filled with resin for installation in more hostile environments. The connections of the primary can be for cable or for plate.

Transformers have different transformation ratios, for primary ones from 5A to 600 A and secondary ones at 1 A or 5 A. Accuracy classes can be 0.5 or 1 according to IEC 61869-2.



Model/ Bus-bar (mm)
TU3BP / 4×25
TU3BCP / 4×25
TU3BAP / 4×25

• Bus-bar
• For low currents
• For cable or bus-bar
• Plastic casing
• Available in resin
• Narrow profile

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TU_ Current transformers. Wound primary

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TU_ Current transformers. Wound primary