Product Name: High Quality Power Guard Copper Aluminium Wire Air Cooloed Electric Automatic Voltage Regulator 20kVA for Spindle Machine Model NO.: PM-320 Brand: Xin Poming/Po Ming Application Range: Hotel/School Power Source: Switching Regulated Power Supply Iron Core Shape: C Size: Small Frequency: High Frequency Usage: SVC, DBW, JIW Phase: Three Phase Current Type: AC Certificate: Is9001/Ce Input Voltage: 380V/220V onput Voltage: 380V/220V Input Range: 15% More or Less Voltage Rate: 1%~2% More or Less Power Factor: 0.95~1 Efficiency: Over 98% Response Time: Less Than 1 Second Waveform Distortion: None Direction: Power