Key Features Made to Last: Made of high-quality cast aluminum and plastic, this product is sturdy, impact-resistant, and not easy to rust and corrode. Excellent Function: The 0-999Hz output frequency range allows you to adjust the frequency supplied to the motor, thus adjusting the motor speed to meet your different usage needs. Good Performance: Up to 1.5KW of power provides ample power to the product. The three-in, three-out phases also ensure excellent performance. High Safety: The product has built-in overload protection, which greatly improves its safety. Energy Saving: By accurately controlling the frequency, the inverter can adjust the power output of the motor according to the actual load demand, thus realizing energy-saving operation. Thoughtful Function: You can use it to realize the soft start and soft stop of the motor, reduce the high-current impact during startup, and prolong the service life of the motor and mechanical equipment. Application This product is suitable for spindle motors, drill presses, HVAC, 720 lathes, milling machines, pumps, conveyors, fans, coolers, compressors, three-phase motors, and other machines! Specification Material: Cast Aluminum, Plastic Color: Black Input Voltage: 3HP 380V Output Voltage: 3HP 380V Power: 1.5KW Current: 4.1A Control Mode: V/F Input and Output Phases:3 In, 3 Out Input Frequency: 50/60Hz Output Frequency Range: 0-999Hz Product Size: 10*14.5*15.4cm/3.94*5.7*6.1in Package Size: 21*21*18cm/8.27*8.27*7.09in Gross Weight: 1.25kg/2.76lbs Net Weight: 1.1kg/2.43lbs Package Included 1* Frequency Converter 1* English Manual Notes 1.Please read the operating manual completely before use. And pay particular attention to the safety instructions included.