Stepperonline 27 1 Planetary Gearbox High Torque Nema 17 Stepper Motor 3D Printer Diy Camera

OverviewThis high precision NEMA 17 Stepper motor has an integrated Planetary gearbox with a 26.85:1 gear ratio, the resolution reach 0.067 deg. step angle. It s a good solution in applications that need very low rotation speeds and/or lots of torque. Electrical Specification: Manufacturer Part Number: 17HS19-1684S-PG27 Motor Type: Bipolar Stepper Step Angle: 0.067 deg. Holding Torque: 3Nm Rated Current/phase: 1.68A Phase Resistance: 1.65ohms Inductance: 2.8mH /-20 (1KHz) Gearbox Specifications: Gearbox Type: Planetary Gear Ratio: 26.85:1 Efficiency: 81 Backlash at No-load: 1 deg. Max.Permissible Torque: 3Nm(425oz-in) Moment Permissible Torque: 5Nm(708oz-in) Shaft Maximum Axial Load: 50N Shaft Maximum Radial Load: 100N Physical Specifications: Frame Size: 42 x 42mm Motor Length: 48mm Gearbox Length: 35mm Shaft Diameter: 8mm Shaft Length: 20mm D-cut Length: 15mm Number of Leads: 4 Lead Length: 500mm Weight: 570g Connection: Black(A ), Green(A-), Red(B ), Blue(B-) Warning: Make sure the motor connect to a constant current or chopper drive controller before you test motor. Connecting the motor directly to a power supply will destroy the motor.