Nema 14 Stepper L=52mm w/ Rear Shaft & Gear Ratio 4:1 Planetary Gearbox

This Nema 14 stepper motor with 52mm body and 1.5A rated current, integrated a planetary gearbox of 3.71:1 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: 14HS20-1504D-PG4
• Motor Type: Bipolar Stepper
• Step Angle: 0.49deg
• Holding Torque without Gearbox: 40Ncm(56.6oz.in)
• Rated Current/phase: 1.5A
• Phase Resistance: 2.8ohms
• Inductance: 3.8mH ± 20%(1KHz)
• Insulation Class: B 130°C[266°F]

Gearbox Specifications

• Gearbox Type: Planetary
• Gear Ratio: 3.71:1
• Efficiency: 90%
• 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: 35 x 35mm
• Motor Length: 52mm
• Gearbox Length: 29.2mm
• Shaft Diameter: Φ6mm
• Shaft Length: 18mm
• D-cut Length: 12mm
• Rear Shaft Diameter: Φ4mm
• Rear Shaft Length: 13mm
• Number of Leads: 4
• Lead Length: 400mm
• Weight: 400g

Connection