Y Series is TEFC squirrel cage three-phase asynchronous motor. It is a new basic series designed unitedly in China, it has concentrated the latest new technology at home and abroad. Y series motors are characterized by high efficiency, high starting torque, low noise, high reliability, long service life and ability of save energy, etc. The insulation class B is adopted, the degree of protection by enclosure is IP44, the cooling form is IC411. The rated voltage of series Y is 380V. The rated frequency is 50Hz. The connection are: star below 3kW, delta 4kW or more. This series is suitable for ordinary machine facilities such as water pumps, fans, stirring machines, etc.