The 27L633BX is a three-speed, 1/4-HP, PSC (Permanent Split Capacitor) fan motor manufactured by Genteq. It is a low-energy fan motor for residential, light commercial, and commercial air exchange applications. The motor has a pre-lubricated and ball-bearing construction, and can operate at speeds of 825 RPM, 1050 RPM, or 1625 RPM. It features a capacitor that provides starting torque and variable speed control. It is designed to be mounted in either an upright or horizontal orientation, or in either an open or sealed airflow cabinet. It is also UL506 and UL873 certified, and is capable of operating at ambient temperatures up to 104 degrees Fahrenheit.