Housing : (Stator Frame) Cast Iron body with colling ribs Rotor: Core of Insulated lamination with a high pressure die-cast Aluminum cage. The whole rotor assembly is dynamically balance to ensure quiet and vibration free operation. Surface of rotor is protected. Ac Motors are suitable for a variety of industrial, domestic & other general purpose applications. Range: 0.125 HP to 120 HP Frame Size : 56 to 280 in 2,4,6,8,10,12 pole design