... aluminum motors. ML is dual capacitors series. MC is capacitor start series. MY is capacitor run serie ... chemical, metallurgy.IP 55 protection, Class F insulation, B Temperature rise, S1 duty.Rated Voltage 220V, Rated frequency 50HZ ... 4. Operation conditions: ambient temperature: -20°C-40°C,altitude≤1000m 5. Star ... above 6. Cooling method is IC411. MC,MY,ML aluminum motors