Electrical parameters Accuracy 0.05%, 0.1% Power Supply One Phase AC 180-265V, frequency 50/60Hz. AC Voltage Output Range(U1,U2,U3) 57.7V, 100V, 220V, 380V or 69.3V, 120V, 240V, 480V( optional) Adjustment range (0-120)%RG(1) Adjustment fineness 0.01%RG, 0.1%RG, 1%RG, 10%RG as optional. Stability 0.01%/120s Distortion 0.3% (Non-capacitive load) Output load each phase 25VA Measuring accuracy 0.05%RG AC Current Output Range(I1,I2,I3) 200mA, 1A, 5A, 20A, 100A Adjustment range (0-120)%RG Adjustment fineness 0.01%RG, 0.1%RG, 1%RG, 10%RG as optional. Stability