1、GOOD HEAT DISSIPATION: The large heat dissipation fin comes with a small fan, which is about three times larger than the heat dissipation fins of similar products. The small fan ensures low noise while assisting in good heat dissipation. 2、INTELLIGENT DIGITAL DISPLAY: Adopts a humanized keyboard design, with reasonable layout and convenient operation; Digital display, intuitive and clear. The detachable design facilitates remote control. 3、APPLICABLE MOTOR: Our converter is suitable for speed control equipment such as CNC routers, CNC machine tools, milling machines, drilling machines, wingspan machines, mixers, extruders, slitters, winders, compressors, ventilators, pumps, grinders, conveyors, elevators, centrifuges, etc. 4、PID CONTROL RS485 COMMUNICATION: Built in PID controller (with preset frequency). Standard configuration RS485 communication function, multiple communication protocols available, with linkage synchronization control function. 5、ALUMINUM ALLOY, PC MATERIAL: Made of premium aluminum alloy and PC material, this inverter is strong and sturdy, flame retardant and fire resistant, ensures a long service life. Item Type: Variable Frequency Drive Material: Aluminum Alloy, PC Flame Retardant Mode: JLS B 4T 2.2GB Input and Output Current: 5.8A, 5.5A Adaptive Motor Power: 2.2kW 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, dust, etc.) Altitude: Derated for use above Approx. 1000m / 3280.8ft, derated by 10% for every Approx. 1000m / 3280.8ft 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: The preset frequency and center frequency can be adjusted, and the state memory and recovery after power failure can be achieved. PID Control RS485 Communication: Built in PID controller (with preset frequency). Standard configuration RS485 communication function, multiple communication protocols available, with linkage synchronization control function. 1 x Variable Frequency Drive 1 x Manual