NEMA 17 Unipolar Stepper Motor: This size 42mm NEMA 17 hybrid unipolar stepping motor has a 1.8° step angle(200 steps/revolution) and a moderate body length 40mm. Each phase draws current 1.2A, allowing for a strong holding torque of 0.26Nm.
NEMA 17 Unipolar Stepper Motor Specification

- Part Number: 42AI40-1206S
- Step Angle: 1.8deg
- Bipolar/Unipolar: Unipolar
- Holding Torque: 0.26Nm
- Rated Current/phase: 1.2A
- Phase Resistance: 3.3ohms
- Inductance: 3.2mH
- Driving Voltage: 12-24VDC
- Frame Size: 42x42mm
- Body Length: 40mm
- Shaft Diameter: Φ5mm
- Shaft Length: 24mm
- D-cut Length: 20mm
- Number of Leads: 6
- Lead Length: 500mm
- Weight: 300g
- Stepper Drive: FLKH2D1228DC
Overall Size

Motor 6 Leads Connection: A+(Black), A-(Green); B+(Red), B-(Blue), O+(Yellow), O-(White)
If you need a PDF data sheet, please send the email to: info@frankhumotor.com!
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