Features: 1DIGITAL DISPLAY AND ERGONOMIC DESIGN: 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 2STRONG 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 3FAST AND STABLE: Adopt faster microprocessor, new main control board design, good quality components, stable and durable, possess longer service life 4NINE PROTECTIONS FOR MOTOR: Possess overload, overheat, overvoltage, undervoltage, overcurrent, phase loss, grounding, short circuit, stall and other protections 5ACCURATE CONTROL: Optimized built in PID algorithm, accurate torsion vector control, widely used in constant pressure water supply, wind pressure and constant pressure control, etc. Item Type: Vector Frequency Converter Material: ABS Power(output): 1.5KW Input: AC 3PH 380V15% 5A 47Hz-63Hz Output: AC 3PH 0V-380V 3.8A 0Hz-400Hz Package Included: 1 x Vector Frequency Converter 1 x User Manual