Due to be equipped with speed controller, you can adjust a wide range of speed. 2, may need to choose, speed, braking, conversion, reverse slow start. Slow slow down the operation of a variety of complex procedures, such as AC motor stepless speed controller output: 6W, 15W, 25W, 40W, 60W, 90W, 120W, voltage:? Single-phase AC110V, 220V, 50 / 60HZ rich models have AUS1 ? -2, AUS2-2, ASS2-2, ASB2-2, DUS2-2 etc. smooth speed control, sensitive response easy to install, easy to operate TOP DC gear motor output:? 20w, 30w, 36w, 40w, 60w, 65w , 70w, 100w, 120w DC: 12v, 24v, 90v starting torque, rotation speed variation is small, versatile, high efficiency, easy save electricity, maintenance, need to follow the installation of brake or speed loading ... STS Chenggang is the old model: US51, US52, SS22, SS11 new models: AUS22-6, AUS22-15, AUS22-25, AUS22-40, AUS22-60, AUS22-90, AUS22-120, AUS22-150, ASS22-6, ASS22-15, ASS22-25, ASS22-40, ASS22-60, ASS22-90, ASS22-120, ASS22-150, AUS12-6, AUS12-15, AUS12-25, AUS12-40, AUS12-60, AUS12- 90, AUS12-120, AUS12-150, DUS22-6, DUS22-15, DUS22-25, DUS22-40, DUS22-60, DUS22-90, DUS22-120, DUS22-150, DUS22-90V, DUS22-180V into Just governor, speed controller, controller, motor speed controller