Nema 11 Stepper Motor 0.71A Bipolar L=51mm w/ Gear Ratio 50.9:1 Planetary Gearbox

This Nema 11 stepper motor with 51mm body and 0.71A rated current, integrated a planetary gearbox of 50.9:1 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: 11HS20-0714S-PG51
• Motor Type: Bipolar Stepper
• Holding Torque: 13Ncm(18.4oz.in)
• Rated Current/phase: 0.71A
• Phase Resistance: 9.0ohms
• Inductance: 8.4mH ± 20%(1KHz)
• Insulation Class: B 130°C[266°F]

Gearbox Specifications

• Gearbox Type: Planetary
• Gear Ratio: 50.9:1
• Efficiency: 70%
• Backlash at No-load:<=3deg
• Max.Permissible Torque: 3Nm(425oz.in)
• Moment Permissible Torque: 5Nm(708oz.in)
• Shaft Maximum Axial Load: 5N
• Shaft Maximum Radial Load: 25N

Physical Specification

• Frame Size: 28 x 28mm
• Gearbox Length: 44.6mm
• Shaft Diameter: Φ6mm
• Shaft Length: 18mm
• D-cut Length: 12mm
• Number of Leads: 4
• Lead Length: 500mm
• Weight: 330g

Connection