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Medium liquid-filled distribution transformers are used to step down three-phase high-voltage to low-voltage for energy distribution, mainly in the countryside or low-density populated areas.

The medium distribution transformers of Hitachi Energy are three-phase, oil-immersed, hermetically sealed, and adaptable for pole-mounting or assembly in substations.

On request, the transformer can be equipped with an oil conservator, and the transformer tank's surface can be hot dip zinc coating.

Product scope

  • Primary voltage: up to 36 kV
  • Available fluids: mineral oil, dimethyl silicone, esters and synthetic hydrocarbons
  • ANSI and IEC standards
  • Applications: utilities, renewables, oil & gas, industrial and data centers

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