Feature:1. DIGITAL DISPLAY AND SIMPLE OPERATION: Double digital tube display on key panel, control panel with classic layout, man machine interaction ergonomic design, simple and clear, one key to run or stop2. RAPID SILENT COOLING: The cooling fan has strong wind, large silent fan has good effect, and the fine craftsmanship is conducive to the rapid dispersion of heat to the fin3. FASTER AND STABLE: Adopt faster microprocessor, new main control board design, good quality components, stable and durable, possess longer service life4. NINE PROTECTIONS TAKE CARE OF YOUR MOTOR: Possess overload, overheat, overvoltage, undervoltage, overcurrent, phase loss, grounding, short circuit, stall and other protections5. ACCURATE VECTOR CONTROL: Optimized built in PID algorithm, accurate torsion vector control, widely used in constant pressure water supply, wind pressure and constant pressure control, etc.Specification:Item Type: Vector Frequency ConverterMaterial: ABSPower(output): 0.75KWInput: AC 1PH 220V15% 8.2A 47Hz-63HzOutput: AC 3PH 0V-220V 4.0A 0Hz-400Hz.Package List:1 x Vector Frequency Converter1 x User ManualNote:When installing and using, please carry out under professional guidance, pay attention to electricity safety, and do a good job of safety protection.