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Insulation components for oil-filled distribution transformers stand out for their high purity, mechanical strength, and oil impregnability. 

Hitachi Energy offers a full range of value-added machined parts made from pressboard and laminated precompressed pressboard. Our products are used for insulation, mechanical support, and cooling channels in oil-filled distribution transformers. The parts include runners; wedges of trapezoidal, rectangular, and other profiles; edge-rounded spacer strips of different sizes (made to customer specifications); and duct spacing and milled spacers with exceptionally low thickness tolerances.

Why Hitachi Energy?

  • More than 150 years of experience in insulation
  • Complete range of insulation products for liquid-filled transformers; comprehensive range for dry-type
  • Material excellence
  • Global footprint

Product scope:

  • Oil-filled distribution transformers
  • Compliant with IEC standards
  • Dimensions and tolerances as per customer drawings

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