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TPR_ Protection transformers
Categories: Transformers
- User manual
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Current transformers for protection instrumentation. They are Bus-bat transformers, and they are used for cable. Encapsulated in resin.
Transformers have different transformation ratios, for primary from 100A to 5000 A and secondary from 5 A. Precision classes can be 5P10 or 10P10 according to IEC 61869-2. Depending on the model and class, the power of the secondary load varies.
Model/ / Cable
TPR60 / Ø60
TPR80 / Ø80
TPR100 / Ø100
TPR125 / Ø125
Bus-bar
Usually for plates
Resin envelope
Greater robustness
Installation in adverse environment
