18.5KW 22KW Variable Frequency Drive 38.5A 46.5A Input Motor Speed Control VFD with PID Controller 3PH 380V Item Type: Variable Frequency Drive Material: Aluminum alloy, PC flame retardant Model: JLS B 4T 18.5GB 22PB Input Voltage: 3PH AC380V 50 60Hz Output Voltage: 3PH AC380V 0-320Hz Input Current: 38.5A 46.5A Output Current: 37.0A 45.0A Adaptive Motor Power: 18.5kW 22KW Surrounding Temperature: -10℃ to +40℃ (ambient temperature is between 40℃ to 50℃, please reduce the rating for use) Surrounding Humidity: 5% to 95% RH, no condensation of water droplets Surrounding Environment: Indoor (without direct sunlight, corrosion, flammable gases, oil mist, stain, etc.) Altitude: Derated for use above 1000 meters, derated by 10% for every 1000 meter increase Protection Grade: IP20 Cooling Method: Air cooling, with fan control Typical Functions: Multi Speed: 16 programmable multi speed control, multiple operation modes available Swing Frequency Operation: Adjustable preset frequency and center frequency, 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