NEMA 23 Stepper Motor 8 Leads: This size 57mm NEMA 23 hybrid bipolar stepping motor has a 1.8° step angle(200 steps/revolution) and a body length 84mm, which has 8 leads connection: (three connection options): Unipolar or Bipolar(Serial) or Bipolar(Parallel), you can choose any type as you wish. It’s houlding torque reach 2Nm with unipolar connection and 2.8Nm with bipolar connection. It is wides used for 3D Printing, CNC machines, intelligent robots, etc.
NEMA 23 Stepper Motor 8 Leads Specification

- Part Number: 57AI84-4008S
- Motor Type: Unipolar/Bipolar
- Step Angle: 1.8deg
- Holding Torque(Bipolar): 2.8Nm(401oz.in)
- Holding Torque(Unipolar): 2Nm(283oz.in)
- Rated Current(Bipolar Serial): 2.83A
- Rated Current(Bipolar Parallel): 5.66A
- Rated Current(Unipolar): 4.0A
- Phase Resistance(Bipolar Serial): 1.6ohms
- Phase Resistance(Bipolar Parallel): 0.4ohms
- Phase Resistance(Unipolar): 0.8ohms
- Inductance(Bipolar Serial): 7.2mH
- Inductance(Bipolar Parallel): 1.8mH
- Inductance(Unipolar): 1.8mH
- Driving Voltage: 24-48VDC
- Frame Size: 57x57mm
- Body Length: 84mm
- Shaft Diameter: Φ6.35mm
- Shaft Length: 21mm
- D-cut Length: 15mm
- Number of Leads: 8
- Lead Length: 300mm
- Weight: 1.45kg
- Stepper Drive: DM556
Overall Size


If you need a PDF data sheet, please send the email to: info@frankhumotor.com!
FRANK DAVID –
VERY STORNG STEPPER MOTOR, DRIVE MY MACHINE VERY WELL, ONLY A QUESTION IS THAT 8MM SHAFT DIAMETER IS BETTER.