Frameless Squirrel Cage Motors are available in two versions such as single-phase AC motor of up to 2. 2 kw and the three phase AC motor of up to 7. 5 kw. These Squirrel Cage Motors are available in a rugged construction that ensures optimum performance for longer period of time. These Squirrel Cage Motors are designed without any frame and need less maintenance. Frameless Squirrel Cage Motors are provided with a class F protection.