Ge Vernova — Fact Sheet (June 2025)

3 slides from Ge Vernova's fact sheet, June 2025

Slide 1: Model CTWH4-75-T100 Wound Primary Current Transformer
Grid Solutions MODEL CTWH4-75-T100 Wound Primary Current Transformer Medium Voltage Application Vacuum cast in polyurethane resin. Other ratios, secondary currents and dual ratios are available. Refer to factory. Metering and relaying. Approximate weight 42 lbs Frequency Continuous Thermal Rating Fa
Slide 2: Model CTWH4-75-T100 ratings and catalog numbers
Model CTWH4-75-T100 ANSI METERING CLASS AT 60 Hz **THERMAL CURRENT CURRENT RELAY CATALOG NUMBER RATING RATIO CLASS B0.1 B0.2 B0.5 B0.9 B1.8 1 SECOND rms Amps CTWH4-75-T100-050 5:5 T100 0.3 0.3 0.3 0.3 0.3 470 CTWH4-75-T100-100 10:5 T100 0.3 0.3 0.3 0.3 0.3 900 CTWH4-75-T100-150 15:5 T100 0.3 0.3 0.3
Slide 3: Recommended Minimum Spacings and Bar Sizes
Model CTWH4-75-T100 Wound Primary CT RECOMMENDED MINIMUM SPACINGS A = Unit to Unit = 1.00” minimum. B = HV to Ground in Air = 4.50” minimum. Recommended spacing are for guidance only. User needs to set appropriate values to assure performance for high potential test, impulse test, high humidity, par