Can be used in spindle motors, lathes, milling, pumps, treadmills, conveyors, winding machines, mixers, extruders, splitters, compressors, ventilators, elevators, centrifuges and other machines. Adopts industrial flame-retardant ABS material, which is heat-resistant, flame-retardant and impact-resistant. This frequency converter has comprehensive functions, with common functions of current mainstream inverters, and is suitable for a variety of scenarios. The frequency inverter has a humanized keyboard design, convenient operation and clear display. All-aluminum base fan heater combined with imported powerful fan, super wind power, super fast heat dissipation. Item Type: Frequency Converter. Model: A2-8055 Material: Plastic shell Input: Single phase or 3phase AC180-250V 25A 40-60Hz Output: Three-phase 220V 36A 0-400Hz Power: 5.5KW Application: 180-250V motor Size: Approx. 220 x 180 x 150mm / 8.7 x 7.1 x 5.9in Applications: Spindle motors, lathes, milling, pumps, treadmills, conveyors, winding machines, mixers, extruders, splitters, compressors, vents, elevators, centrifuges and other machines. 1 x English User Manual.