Three Phase Dead Front Transformer

Design Capacities

  • Size: 75kVA up to 3000kVA
  • Primary Voltage: Up to 34.5kV
  • Secondary Voltage: From 120Y/208
  • Loop or Radial Feed Configuration
  • Built to customer specifications in accordance with CSA C227.4 and C802.1 Energy Efficiency Standards


Standard Accessories and Features

  • Tamper proof tank design with bolted cover
  • Bay o net & current limiting fuse protection
  • Aluminum nameplate engraved
  • Pressure relief device
  • HV & LV Bushings
  • Drain valve with sampling device
  • Liquid level indicator
  • Thermometer
  • Ground Bar and X0 strap
  • Parking Stand
  • Jacking Steps
  • Exterior Finish conforming to ANSI C57.12.28.


Optional Accessories and Features

Transformers may be provided with the following optional items if specified by the purchaser:

  • Load break switches;
  • Mechanical interlock of the transformer winding switch and bayonet fuses to prevent removal while the transformer is energized;
  • Load break inserts complete with dust cap;
  • Customer stock code and stenciling;
  • Dual voltage selector switch;
  • High voltage of circuit taps;
  • Surge arrestor elbows;
  • Additional tests may be requested by the purchaser and shall be performed in accordance to ANSI/IEEE C57.12.90;
  • Permanent and temporary bar coding label in accordance with ANSI/IEEE C57.12.35;
  • FR3 fire resistant bio degradable insulating fluid LNAN;
  • High voltage and low voltage barrier between compartments;
  • Kirk key interlock on cabinet doors;
  • Secondary Breaker;
  • Visual Disconnect Window with Kirk Key Interlocking protection;
  • Alternative protection devices, specified by the purchaser;

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Three Phase Dead Front Transformer (PDF)