STEPPERONLINE 50:1 Nema 23 Geared Stepper Motor L=56mm High Precision Planetary Gearbox for 3D Printer DIY CNC

This Nema 23 stepper motor with 55mm body and 2.8A rated current, integrated with a 61.65mm Planetary gearbox of 50:1 gear ratio. It's a good solution to applications that with special space but need low speed and/or high torque.

Electrical Specification

*Manufacturer Part Number: 23HS22-2804S-HG50
*Motor Type: Bipolar Stepper
*Step Angle: 0.036 deg
*Holding Torque without Gearbox: 103Ncm(146oz.in)
*Rated Current/phase: 2.8A
*Phase Resistance: 0.9ohms
*Voltage: 2.5V
*Inductance: 2.8mH ± 20%(1KHz)

Gearbox Specifications

*Gearbox Type: Planetary
*Gear Ratio: 50 : 1
*Efficiency: 90%
*Backlash at No-load: <=25 arcmin
*Max. Permissible Torque: 25Nm(3540oz.in)
*Moment Permissible Torque: 40Nm(5664oz.in)
*Max. Radial Load: 400N
*Ambient Temperature: -10 - 90?
*Insulation Class: B
*Noise: <=50 dB
*Life: 20000 h

Physical Specifications

*Frame Size: 57 x 57mm
*Motor Length: 55mm
*Gearbox Length: 61.65mm
*Shaft Diameter: ?14mm
*Shaft Length: 34mm
*Key-way Length: 25mm
*Number of Leads: 4
*Lead Length: 320mm
*Weight: 1800g

Connection:

Black(A+), Green(A-), Red(B+), Blue(B-)

Warning:

Make sure the motor connect to a constant current or chopper drive controller before you test motor.
Connecting the motor directly to a power supply will destroy the motor.

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