Nema 11 Stepper Motor Bipolar L=51mm w/ Gear Ratio 50:1 Planetary Gearbox

This Nema 11 stepper motor with a holding torque of 12Ncm(16.99oz.in) is equipped with a high-precision planetary gearbox. It has a gear ratio of 50:1 and a maximum backlash of 20arc-min. It is a good solution for applications that require high accuracy and reliability at an exceptional value.

Electrical Specification

• Manufacturer Part Number: 11HS20-0704S-EGS50
• Motor Type: Bipolar Stepper
• Step Angle: 1.8deg
• Holding Torque Without Gearbox: 12Ncm(16.99oz.in)
• Rated Current/phase: 0.70A
• Phase Resistance: 8.0ohms
• Inductance: 5.2mH±20%(1KHz)

Gearbox Specifications

• Gearbox Type: Planetary
• Gear Ratio: 50:1
• Efficiency: 94%
• Backlash at No-load: <=20arcmin
• Max.Permissible Torque: 3Nm(26.55lb-in)
• Moment Permissible Torque: 6Nm(53.1lb-in)
• Noise: <=55dB
• Lifetime: 20000hours

Physical Specifications

• Frame Size: 28 x 28mm
• Motor Length: 51mm
• Gearbox Length: 41mm
• Shaft Diameter: Φ6mm
• Shaft Length: 20mm
• D-cut length: 15mm
• Number of Wires: 4
• Wire Length: 500mm
• Weight: 0.33kg

Connection