Measuring voltage transformers 12 kV: VTS 12, VTD 12 VTS 12 Insolation voltage 12 kV Power frequency voltage 28 kV Impulse withstand voltage 75 kV Rated primary voltage 3000/Ö3 - 11000/Ö3 V Rated secondary voltage 100/Ö3, 110/Ö3, 120/Ö3 V Residual winding voltage 100/3, 110/3, 120/3 V Frequency 50 Hz Power 30, 50, 75, 100, 150 VA Accuracy class 0.2; 0.5; 1; 3P; 6P Thermal output 400 VA Weight 20 kg VTD 12 Insolation voltage 12 kV Power frequency voltage 35 kV Impulse withstand voltage 75 kV Rated primary voltage 3000 - 11000 V Rated secondary voltage 100, 110, 120 V Frequency 50 Hz Power 30, 50, 75, 100 VA Accuracy class 0.2; 0.5; 1; 3; 3P Thermal output 400 VA Weight 22 kg