Power Transformers
Constant Voltage Transformers
Test Equipment

About Circle C Transformers

We source only the best raw materials internationally; our modern manufacturing facility and quality standards, coupled with outstanding engineering design, produce the highest quality transformers. Our products are designed to operate in the harshest environments. High grade electrical steel is used ensuring low iron losses and all windings are manufactured from high conductivity PEI2 insulated circular or rectangular copper conductors. Transformers are manufactured using materials for the following applications:


  • Class A (105°c)
  • Class B (130°c)
  • Class F (155°c)
  • Class H (180°c)


All designs ensure low losses and high efficiency.

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