Item Type: Motor Variable Frequency Drive_x000D_ Material: ABS_x000D_ Storage Temperature: -25 to +55_x000D_ Input Voltage: Three Phase 380-440V AC_x000D_ Output Voltage: Three Phase 0-440V AC1High Performance Motherboard: Select high end motherboard, intelligent and efficient, has strong protection performance and complete functions. 2Full SMD Design: All internal components adopt SMD design, which greatly increases the stability of the machine performance. 3ABS Shell: The shell is made of industrial grade ABS plastic, has high impact and heat resistance, strong flame retardancy and good comprehensive performance. 4Easy to Operate: Designed with user friendly keyboard, and equipped with digital display screen, easy and convenient to operate. 5Good Heat Dissipation: Built in super large heat sink with small fan, the heat sink is about 3 times larger than which of similar products, the fan has low noise when running, and assisting good heat dissipation. 1 x_x000D__x000D_MotorVariableFrequencyDrive 1 x Manual