1、Reliable Work: All the internal components have adopted SMD design, which greatly increases the stability of the variable frequency drive. 2、Simple in Use: Clear operation panel together with digital display allows for great viewing and convenient control. 3、Quick Cooling: The extra large heatsink is also equipped with a low noise cooling fan, ensuring quick heat dissipation. 4、Good Material: Made from flame retardant ABS material, this variable frequency drive is very against impact. 5、Safer Working: Premium mainboard enables good protection and high safety for 3 phase 380‑440V input and 0‑440V output. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store