... torque 2,smooth turning 3,low noise 4,easy maintenance three-phase motor,induction motor,aluminum motor1,high starting torque2,smooth ... noise4,easy maintenanceY series three-phase electric motors is a kind of totally enclosed fan-cooled squirrel-cage AC asynchronous motors with IP44 ... to IP55 as well as class F insulation.Y series three phase electric motors have a lot of advantages including high ...