1、Premium Material: VFD inverter is made of premium ABS material, wear resistant, flame retardant, impact resistant, sturdy and durable. 2、Strict Standards: Input voltage is single phase or 3 phase AC180‑, input frequency 40‑60Hz, output voltage 3PH AC220V, output frequency 0‑400Hz, rated power 4.0KW. 3、Multi Protection: Motor inverter converter provide multi protection, such as overload, overvoltage, undervoltage, overheat, fuse protection, and so on. 4、Excellent Performance: Professional manufacturing, exquisite workmanship, good heat dissipation, high safety, stable performance and high reliability. 5、Function: 6 multifunction input terminal and 1 multifunction output terminal, deceleration stop or free stop, DC brake, automatic reset restart, etc.