... motor 2. 245w, 4/6pole, two speed 3. CCC, CE, UL certificates 4. much ... can be used in the cage asynchronous motor;3, speed range is big, characteristic hard, high precision; ... this method is suitable for high precision requirements, speed control performance is better occasion.Advantage simple structure ... to control, remote control and group control;Speed control accuracy is high, and our common series ...