... ), 3Phase only. 2) 3 Rollers, 120x60mm 3) Variable Speed, 2-17 M/min KMJ30 Variable Speed Feeder1) 1HP (0.75KW), 3Phase only ... .2) 3 Rollers, φ120x60mm3) Variable Speed, 2-17 M/min4) Proper speed for better quality ... dust pile up,and gears and pulleys are well machined . Variable Speed Feeder/3-roller feeder /power feeder