This high precision NEMA 17 Stepper motor has an integrated Planetary gearbox with a 50.9:1 gear ratio, the resolution reach 0.035 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-PG51
• • Motor Type: Bipolar Stepper
• • Step Angle: 0.035 deg.
• • Holding Torque: 4Nm
• • Rated Current/phase: 1.68A
• • Phase Resistance: 1.65ohms
• • Inductance: 2.8mH+/-20%(1KHz)

Gearbox Specifications:

• • Gearbox Type: Planetary
• • Gear Ratio: 50.9:1
• • Efficiency: 73%
• • Backlash at No-load: <=1 deg.
• • Max.Permissible Torque: 4Nm(566oz-in)
• • Moment Permissible Torque: 6Nm(850oz-in)
• • Shaft Maximum Axial Load: 50N
• • Shaft Maximum Radial Load: 100N

Physical Specifications:

• • Frame Size: 42 x 42mm
• • Motor Length: 48mm
• • Gearbox Length: 42.7mm
• • Shaft Diameter: 8mm
• • Shaft Length: 20mm
• • D-cut Length: 15mm
• • Number of Leads: 4
• • Lead Length: 500mm
• • Weight: 620g

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.