This high precision NEMA 17 Stepper motor has an integrated Planetary gearbox with a 5.18:1 gear ratio, the resolution reach 0.35 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-PG5
• Motor Type: Bipolar Stepper
• Step Angle: 0.35 deg.
• Holding Torque: 2Nm
• Rated Current/phase: 1.68A
• Phase Resistance: 1.65ohms
• Inductance: 2.8mH+/-20%(1KHz)

Gearbox Specifications: Gearbox Type: Planetary Gear Ratio: 5.18:1 Efficiency: 90% Backlash at No-load:<=1 deg. Max.Permissible Torque: 2Nm(283oz-in) Moment Permissible Torque: 4Nm(566oz-in) Shaft Maximum Axial Load: 50N Shaft Maximum Radial Load: 100N

Physical Specifications: Frame Size: 42 x 42mm Motor Length: 48mm Gearbox Length: 27.3mm Shaft Diameter: 8mm Shaft Length: 20mm D-cut Length: 15mm Number of Leads: 4 Lead Length: 500mm * Weight: 520g

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.