Distribution Transformers

Distribution Transformers

MSI Distribution TransformerDistribution transformers are used to step down voltages to a final supply voltage for government, commercial and industrial facilities.


  • Power rating up to 3000 KVA
  • Primary Voltages to 25kV class, 125 kV BIL
  • Single or three phase design
  • High Efficiency to comply with Department of Energy requirements
  • Frequency: 50, 60, and 400 Hz operation
  • Single or double electrostatic shields
  • Dry-type insulation
  • Self-cooled construction
  • Aluminum or copper windings



  • Primary taps to compensate for low or high line conditions
  • UL Recognized insulation system (Primary must be 600V or less). MSI UL Insulation systems are available in 130°, 180° and 220°C ratings
  • CE marking with declaration of conformity ROHS and Low Voltage Directive when applicable
  • Private labeling with customer supplied nameplate artwork. Units that are private labeled cannot carry our UL label
  • NEMA 1 (indoor) or NEMA 3R (outdoor) enclosure with ANSI 61 gray powder coat finish
  • Final Test Reports with optional Certificate of Compliance



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