Variable Frequency Drive 3PH 380V Input Output Frequency Inverter for 11kW 15KW Motor Speed Control Item Type: Variable Frequency Drive Material: Aluminum Alloy, PC Flame Retardant Mode: JLS B 4T 11GB 15PB Input Voltage: 3PH AC380V 50, 60Hz Output Voltage: 3PH AC380V 0-320Hz Input Current: 26A, 35A Output Current: 25A, 32A Adaptive Motor Power: 11kW, 15KW Surrounding Temperature: -10 ℃ to +40 ℃ (ambient temperature is between 40 ℃ to 50 ℃, please reduce the rating for use) Surrounding Humidity: 5% to 95% RH, without condensation of water droplets Surrounding Environment: Indoor (without direct sunlight, corrosion, flammable gases, oil mist, dust, etc.) Altitude: Derated for use above 1000 meters, derated by 10% for every 1000 meter increase Protection Level: IP20 Cooling Method: Air cooled, with fan control Typical Functions: Multi Speed and Swing Operation: 16 programmable multi speed control with multiple operation modes available. Swing frequency operation: preset frequency and center frequency adjustable, state memory and recovery after power outage. PID Control RS485 Communication: Built in PID controller (with preset frequency). Standard configuration RS485 communication function, multiple communication protocols optional, with linkage synchronization control function.