Features Made of flame retardant industrial ABS material, heat resistant, flame retardant, impact resistant and safe. Super large all-aluminum base fan heater combined with powerful imported fan, super wind power, super fast heat dissipation. Used in spindle motors, lathes, milling, pumps, conveyors, coilers, mixers, extruders, dividers, compressors, fans, elevators, centrifuges and other machines. With the common functions of today's consumer inverters, with complete functions and suitable for many scenarios. This frequency drive has a humanized keyboard design, easy to use and clear display. Specification: Item Type: Frequency Converter Model No.: A2-8075 Material: plastic shell Input: Single phase or three-phase AC180-250V 35A 40-60Hz Output: three-phase 220V 50A 0-400Hz Power: 7.5KW Application: 180-250V motor Size: approx. 220 x 180 x 150 mm/8.7 x 7.1 x 5.9 inches. Applications: spindle motors, lathes, milling machines, pumps, conveyors, coils, mixers, extruders, separators, compressors, vents, elevators, centrifuges and other machines. Package list: 1 x frequency converter 1 x English user manual. Note: Please note that the new type and old type of this product will be sent at random, and make sure you do not mind before ordering. Package List 1 x Frequency Converter 1 x English User Manual