Nema 17 Stepper Motor Bipolar L=40mm w/ Gear Ratio 27:1 Planetary Gearbox

This Nema 17 stepper motor with 40mm body and 1.68A rated current, integrated a planetary gearbox of 26.85: 1 gear ratio. It's a good solution to applications that with limited space but need low speed and/or high torque.

Electrical Specification

• Manufacturer Part Number: 17HS15-1684S-PG27
• Motor Type: Bipolar Stepper
• Step Angle: 0.067deg
• Holding Torque without Gearbox: 36Ncm(50.98oz.in)
• Rated Current/phase: 1.68A
• Phase Resistance: 1.60ohms
• Inductance: 3.10mH ± 20%(1KHz)
• Insulation Class: B 130°C[266°F]

Gearbox Specifications

• Gearbox Type: Planetary
• Gear Ratio: 26.85:1
• Efficiency: 80%
• Backlash at No-load: <=3deg
• Max.Permissible Torque: 3Nm(424.83oz.in)
• Moment Permissible Torque: 5Nm(708.06oz.in)
• Shaft Maximum Axial Load: 50N
• Shaft Maximum Radial Load: 100N

Physical Specifications

• Frame Size: 42 x 42mm
• Motor Length: 40mm
• Gearbox Length: 35mm
• Shaft Diameter: Φ8mm
• Shaft Length: 20mm
• D-cut Length: 15mm
• Number of Leads: 4
• Lead Length: 500mm
• Weight: 510g

Connection