Koford Engineering has introduced a new 40-mm OD outer rotor sensor-less brushless motor with a built-in internal fan. The motor produces a peak output of 900 W with a weight of only 203 g for a power-to-weight ratio of 4.4 W/g. Continuous power is 498 W at 10,826 rpm with no heat sinking and peak efficiency is 89%. Matching drives for operation at 12, 24, 36, and 48 V are offered.
For more information, visit www.koford.com.