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Part Numbers

Part Number Ratio
3P42-101 100:5
3P42-151 150:5
3P42-201 200:5
3P42-251 250:5
3P42-301 300:5
3P42-401 400:5
3P42-501 500:5
3P42-601 600:5
3P42-701 700:5
3P42-751 750:5
3P42-801 800:5
3P42-102 1000:5
3P42-122 1200:5
3P42-152 1500:5
3P42-162 1600:5

3 Phase Current Transformer Model 3P42 (2.50" dia.)

Three-phase current transformer designed for three-phase metering and overload protection with ammeters, wattmeters, cross current compensation, or relay driver applications. 600V, 10 kV BIL Full Wave, CSA and UL Recognized.

Ratio100:5 to 1600:5
Window Size2.50" Diameter (per phase)
Application3-Phase Metering and Overload Protection
Frequency50–400 Hz
Insulation Level600V, 10kV BIL Full Wave
StandardsCSA 66.1-06, CSA 66.2-06, UL 506
WeightApprox. 11.5 lbs.
  • Rectangular bar housing with three 2.50" diameter windows at 4.50" centers.
  • 5 AMP secondary standard.