Variable Frequency Drive 3 Phase VDF Motor Speed Controller Converter Inverter 380V 15KW 18.5KW Item Type: Variable Frequency Drive Material: Aluminium alloy and pc flame retardant Model : JLS B 4T 15GB 18.5PB Input Voltage: 3PH AC380V 50 60Hz Output Voltage: 3PH AC380V 0-320Hz Input Current: 35.0A 38.5A Output Current: 32.0A 37.0A Applicable Motor Power: 15kW 18.5KW Ambient Temperature: -10℃ to +40℃ (If ambient temperature is between 40℃ and 50℃, please use at reduced rate) Ambient Humidity: 5%-95% RH, no condensation of water droplets Ambient Environment: Indoor (no direct sunlight, no corrosion, no flammable gases, no oil mist, no dust, etc.) Altitude: 1000m or more, 10% reduction for each 1000m rise Protection Level: IP20 Cooling: Air cooled, with fan control Typical functions Multi Speed and Oscillation Operation: 16 programmable multi speed controls, various operating modes available. Oscillation Frequency Operation: preset frequency, adjustable centre frequency, state memory and recovery after power failure PID Control RS485 Communication: Built in PID controller (presettable frequency) RS485 communication function as standard, multiple communication protocols selectable, with linked synchronous control function