... :63--315mm 3)Well-starting torque Y series three phase asynchronous motor is lightly-vibrated ,universally-used,easily-maintenanced and well-starting ... ,the installation size and power level are in full compliance with the IEC standards.Power Range: 1HP--266HPProtection Grade: IP44,IP54 ... ,fans,conveyances,mixing machines,agricultural and food machines,etc. electric motor