Model# PT3 5KV

Medium Voltage Potential Transformer

The PT3 is a 5kV rated potential transformer with 45kV BIL; and the two bushing PT3-2 can be connected for open-delta applications, while the single bushing PT3-1 are for wye-wye connections.

  • Suitable for revenue grade metering applications.
  • Secondary Terminals are No. 10-32 screws with one lock washer & flat washer.
  • The core and coil assembly is encased in a plastic enclosure and vacuum encapsulated in polyurethane resin.
  • Thermal burden rating is for 120 volt secondaries.
  • 50Hz designs are available.
  • Indoor type
  • Fuses have 0.81″ or 1.0″ Dia. Caps and 4.25″ or 5″ clip centers.
  • Primary fuses are included.
  • UL Recognized.


Insulation Class5.6kV
Basic Impulse Level45kV BIL
Thermal Rating:600VA at 30°C Amb. – 400VA at 55°C Amb
Approximate Weight24 Lbs


Accuracy Class0.3 WX, 0.6MY, 1.2Z at 100% rated voltage with 120V based ANSI burden
Accuracy Class0.6 WX – 1.2 MY at 58% rated voltage with 69.3V based ANSI burden


Volts0-840 thru 0-4800V


Standard120V or 110-50Hz


  • CSA


  • RU


Need Assistance? Call: 614-889-6152

Detailed Model Specifications

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