Speed regulator,6W-180W,AC,speed ratio:1:1.5-1:180. Ruian maili micro and special electromotor factory is integrating R&D, manufacture and trade into one.The factory is a specialty manufacturer of AC motor and DC motor. The products include IK/RK(YY,YN) series gear speed reducing AC motor, variable speed AC motor, electromagnetic brake AC motor, damp AC motor, torque AC motor, three-phase AC ...