Feature 1INTELLIGENT MOTHERBOARD: Variable frequency drive adopt cutting edge motherboard, intelligent and efficient, strong protection performance, complete functions 2GOOD 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 3CLEAR DISPLAY: VFD with user friendly keyboard design, digital display, easy to operate, simple and clear 4VARIOUS 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 5PID 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 functionItem Type: Variable Frequency DriveMaterial: Aluminum alloyInput Voltage: 1PH AC220V 50/60HzOutput Voltage: 3PH AC220V 0-320HzOutput Current: 2.4AAdaptive Motor: 0.4KWAmbient Temperature: -10 To +40(if the ambient temperature is 40 to 50, please derate.) Ambient humidity: 5%-95% RH, no condensationAmbient 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 metersIP20 Protection Grade: Air cooled, with fan controlCooling Mode: Wall hanging, cabinet type .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Variable Frequency Drive1 x User Manual