Feature: 1. INTELLIGENT MOTHERBOARD: Variable frequency drive adopt cutting edge motherboard, intelligent and efficient, strong protection performance, complete functions 2. GOOD HEAT DISSIPATION: Large heat sink with a small fan, about 3 times larger than similar products, small fan to ensure low noise while assisting good heat dissipation 3. CLEAR DISPLAY: VFD with user friendly keyboard design, digital display, easy to operate, simple and clear 4. VARIOUS STAGE SPEED AND SWING FREQUENCY OPERATION: The VFD has 16 programmable various stage speed control and multiple operation modes. The preset frequency and center frequency can be adjusted when the swing frequency is running, and the state memory and recovery after power failure 5. PID CONTROL RS485 COMMUNICATION: The VFD has a built in PID controller(frequency preset), RS485 communication function is standard configuration, and multiple communication protocols are optional, providing linkage and synchronization control function Specification: Item Type: Variable Frequency Drive Material: Aluminum alloy Input Voltage: 1PH AC220V 50/60Hz Output Voltage: 3PH AC220V 0-320Hz Output Current: 2.4A Adaptive Motor: 0.4KW Ambient Temperature: -10℃ To +40℃(if the ambient temperature is 40℃ to 50℃, please derate.) Ambient humidity: 5%-95% RH, no condensation Ambient Environment: Indoor(no direct sunlight, no corrosion, flammable gas, no oil mist, dust, etc.) Altitude: For derating above 1000 meters, 10% derating will be used for each rise of 1000 meters IP20 Protection Grade: Air cooled, with fan control Cooling Mode: Wall hanging, cabinet type. Package List: 1 x Variable Frequency Drive1 x User Manual