Nema 23 Stepper Motor Bipolar L=56mm w/ Gear Ratio 4:1 Planetary Gearbox

This Nema 23 stepper motor with 56mm body, step angle 0.42deg and 2.8A rated current, integrated a planetary gearbox of 4.25:1 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: 23HS22-2804S-PG4
• Motor Type: Bipolar Stepper
• Step Angle: 0.42deg
• Holding Torque without Gearbox: 1.25Nm(177.01oz.in)
• Rated Current/phase: 2.8A
• Phase Resistance: 0.9ohms
• Inductance: 2.5mH ± 20%(1KHz)
• Insulation Class: B 130°C[266°F]

Gearbox Specifications

• Gearbox Type: Planetary
• Gear Ratio: 4.25:1
• Efficiency: 90%
• Backlash at No-load: <=3deg
• Max.Permissible Torque: 30Nm(4248.36oz.in)
• Moment Permissible Torque: 50Nm(7080.6oz.in)
• Shaft Maximum Axial Load: 100N
• Shaft Maximum Radial Load: 200N

Physical Specifications

• Frame Size: 57 x 57mm
• Motor Length: 56mm
• Gearbox Length: 48mm
• Shaft Diameter: Φ12mm
• Shaft Length: 30mm
• Keyway length: 20mm
• Number of Leads: 4
• Lead Length: 500mm
• Weight: 1.3kg

Connection