Feature: 1. Intelligent Digital Display: Frequency converter features user friendly keyboard design with clear digital display for easy operation. Removable design for remote control convenience. Ideal for speed control devices such as compressors, pumps, conveyors, and more. 2. Working Parameter: Single to 3 phase converter has a power of 400W with an input voltage of 1PH AC220V 50 60Hz and output voltage of 3PH AC220V 0‑320Hz. Output current is 2.4A. 3. Compatibility: VFD converter is suitable for various applications such as CNC routers, lathes, milling machines, drilling machines, stirring machines, extruders, slitting machines, winding machines, compressors, fans, pumps, grinders, conveyors, elevators, centrifuges, etc. 4. Efficient Cooling Design: Equipped with a super large heat sink and small fan, the inverter's cooling system is 3 times larger than similar products. The fan ensures low noise operation while providing effective heat dissipation. 5. ABS PC MATERIAL: Made of premium ABS and PC material, the inverter is flame retardant, impact resistant, heat resistant, ensures a long service life. Specification: Item Type: Frequency Converter Material: ABS, PC Mode: MS500 2S 0.4G Input Voltage: 1PH AC220V 50 60Hz Output Voltage: 3PH AC220V 0-320Hz Output Current: 2.4A Power: 400w . Package List: 1 x Inverter 1 x Manual