The VK48B3 is a three-phase brushless Alternating Current (AC) motor manufactured by Comair Rotron. It is a medium-duty, medium-power motor with a 48 mm square frame. It has a voltage rating of 300 VAC, and a power rating of 145 W. It is designed for applications that require high efficiency, low current draw, and wide range speed adjustment. It is suitable for applications such as refrigeration, portable fans, and air conditioners. The VK48B3 is designed for use in enclosed mechanical loads, and has an ambient operating temperature range of -20 to 40C. It utilizes air cooling for its cooling system, and its maximum static efficiency is up to 90%. It has a 0.8 to 1.2 hp range and runs at 4,400 to 7,200 RPM. The VK48B3 is UL and CUL approved, and is RoHS compliant.