NEMA 23 Precision Geared Stepper: This big geared stepper motor has a frame size 57-56mm with rated current 2.8a, integrated with HG series high precision planetary gearbox that has a wide range of gear ratio 3 to 100. It is an ideal choice for the applications that require high torque or low speed but high precision motion control.
NEMA 23 Precision Geared Stepper Specification

- Part Number: 57AI56-2804S-HGXX
- Step Angle: 1.8deg w/o gearbox
- Bi/Unipolar: Bipolar
- Holding Torque: 1.2Nm w/o gearbox
- Rated Current/phase: 2.8A
- Frame Size: 57x57mm
- Motor Length: 56mm
- Number of Leads: 4
- Lead Length: 500mm
- Gearbox Type: Planetary
- Gear Ratio: 3-100:1
- Efficiency: 96%-92%
- Backlash at No-load: 15arcmin-25arcmin
- Gearbox Length: 53mm-70mm
- Shaft Diameter: Φ14mm
- Shaft Length: 34mm
- Keyway Length: 25mm
- Stepper Drive: DM542
Overall Size

Gearbox Length(L)=53mm for ratio 5/1, 10/1; 70mm for ratio 20/1, 50/1, 100/1
Motor 4 Leads Connection: A+(Black), A-(Green); B+(Red), B-(Blue)
If you need a PDF data sheet, please send the email to: info@frankhumotor.com!
Reviews
There are no reviews yet.