3PT3 Three Phase 3-Wire Potential Transformer from Flex-Core
Model# 3PT3 | 5KV Class

Three Phase 3-Wire Potential Transformer

The 3PT3-60 model is a three phase 5kV rated potential transformer with 60kV BIL in open delta configuration suitable for 3-phase 3-wire systems.

The 3PT3-60 model comes complete with primary fuses and have voltage ranges from 840V up to 4800V.

The 3PT3 model is suitable for revenue grade metering applications.

Request Quote
Detailed Model Specs
Download Datasheet
SPECIFICATIONS

Accuracy Class: 0.3 WX, 0.6M, 1.2Y at 100% rated voltage with 120V based ANSI burden.
Frequency: 60Hz
Thermal Rating:
– 350VA (2.4 secondary amps per phase):  60Hz at 30°C
– 225VA(1.7 secondary amps per phase):  60Hz at 55°C
Insulation:
– 5.6kV
– 60kV BIL Full Wave
Weight: Approximately 38 lbs.
Primary Terminals: No. 10-32 Brass Screws with one flat washer and lock washer.

The core and coil assembly is encased in a plastic enclosure and vacuum encapsulated in polyurethane resin.

Recommended Spacing is for guidance only. The user needs to set appropriate values to assure performance for: high potential test, impulse test, high humidity, partial discharge, and high altitude.

Primary Fuses Included.

FEATURES
  • Frequency:  60Hz
  • Standard Secondary Voltage:  120Vac
  • Insulation Class:  5.6kV, 60kV BIL Full Wave
  • UL Recognized
  • FOR INDOOR USE ONLY