Rotary Roller Platform Of Laser Engraving Machine $ 28.16 Product information: Phase Number: 2 Step angle: 1.8 "soil 0.09" Rated Voltage: DC 3.6V Holding torque:420mN. m Positioning torque: 15 m.m REF. Maximum no-load starting frequency:1500 PPS Maximum no-load operating frequency:1900 PPS Insulation Resistance: 100 M (DC 500V) Electrical strength: AC600V/1mA/1s Insulation level: Class B Size: Packing list: Rotary Module*1 Product Image: