Y series motor is totally enclosed and fan-coolling three-phase squirrel cage induction motor, which is newly designed in conformlty with the relevant requlrement of IEC standards. They have outstanding performance, such as high efficlency, energy saving, high starting torque, low noise, little vibration, rellable operation and easy maintenance, etc. They are widely used in places, where do not exists comb ustible, exploslve or corroslve gas, and without andy special requlrements, such as machine tools, pumps, fans, transport machinery, mlxer, agriculture machinery and food machines, etc.