... a key objective of designs in all markets.Brushless DC motors provide significant improvements in efficiency, mechanical reliability, and offer superb ... signal, PFC.Function: Stepless speed control, CW or CCW rotation; start and stop; speed feedback, Fault alarm, etcCan be customized according ... range, No noise, hall-free, power,etc. power,etc. 115V single phase BLDC fan motor driver or controller