Medium Voltage Indoor Resin Cast Potential Transformer

Medium Voltage resin cast Potential Transformers of single core for metering purpose are commonly used. Di-electric strength of the oil-impregnated paper insulation is preserved by hermetic sealing of the transformer. Our product specification is as follows

Applications Metering, Protection & Special protection
Construction Medium Voltage resin cast
System Voltage Upto 33kV
Type Single/three phase, multi-core/ratio
Accuracy class
Metering 0.2S, 0.5, 1.0
Protection 3P
Primary Upto 33KV
Secondary 110V AC


  • Non-ageing Epoxy with Class B insulation.
  • Non Hygroscopic.
  • Vacuum cast under controlled conditions.
  • Partial discharges as per allowable limits.
  • Designed to work in high ambient in enclosed switchgears.
  • Good mechanical stability under fault conditions.


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