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 stop 2. 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 fin 3. FASTER AND STABLE: Adopt faster microprocessor, new main control board design, good quality components, stable and durable, possess longer service life 4. NINE PROTECTIONS TAKE CARE OF YOUR MOTOR: Possess overload, overheat, overvoltage, undervoltage, overcurrent, phase loss, grounding, short circuit, stall and other protections 5. 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 Converter Material: ABS Power(output): 0.75KW Input: AC 1PH 220V±15% 8.2A 47Hz-63Hz Output: AC 3PH 0V-220V 4.0A 0Hz-400Hz . Package List: 1 x Vector Frequency Converter1 x User Manual Note: When installing and using, please carry out under professional guidance, pay attention to electricity safety, and do a good job of safety protection.