GP42-N – Low-noise planetary gearboxes Description Technical data Low-noise gearboxes for brushless DC motors and stepper motors with NEMA 17 flange (42 mm) and the external rotor motors of the DF45 series. Available as one-stage or two-stage gearbox. Reduction Ratio 4 - 30 Rated Output Torque 0.8 Nm - 4.9 Nm Efficiency 81 % - 91 % Max. Backlash 34 ´(arc minutes) - 48 ´(arc minutes)
GP56-N – Low-noise planetary gearboxes Description Technical data Low-noise planetary gearboxes with smooth running characteristics for motors in sizes NEMA 23/24 (56/60 mm) and external rotor motors. The gearboxes come in nine different versions. Reduction Ratio 3.24 - 35.05 Rated Output Torque 1.5 Nm - 11.8 Nm Efficiency 85 % - 93 % Max. Backlash 18 ´(arc minutes) - 43 ´(arc minutes)