FDZ120/55-2 type variable frequency speed regulation three-phase asynchronous motor is a closed self cooling squirrel cage type variable frequency three-phase asynchronous motor, which is specially designed for direct twisting machines. Its frequency conversion range is 50Hz-190Hz, with constant torque operation within 50Hz-160Hz and constant power operation within 160Hz-190Hz. This electric motor is developed using high-quality materials, advanced technology, and sophisticated equipment, and has excellent electrical performance, smooth operation, low temperature rise, low vibration, low noise, and beautiful appearance. The protection level is IP44 and the insulation level is B. It can also be used for driving other machinery.