The power range of IEC standard motor is 0.18kw-375kw, and the power range of NEMA standard motor is 1hp-300hp. It can provide CE and UL certification, NEMA motor service factor up to 1.15, protection grade IP23, IP44, IP55, protection form ODP, tefc. According to the requirements of variable torque load, the matching frequency converter can be selected for the motor.