Square Type Moving Coil Power Factor Meter Accuracy: Class 2.5 Amp.: 1A or 5A Volt.: 1 Phase:110V-440V, ... -3, SF-96-3, SF-72-3, SF-48-3.2. Accuracy: Class 2.53. Voltage:1) Single Phase:110V, 220V, 380V, 440V ... .2) Three Phase:110V, 220V, 380V, 440V, 500V, 600V.4. Current: ... , welcome to contact me. Square Type Moving Coil Power Factor Meter