NEMA 17 40mm 1-68A: This size 42mm NEMA 17 hybrid bipolar stepping motor has a 1.8° step angle(200 steps/revolution) and a moderate body length 40mm. Each phase draws current 1.68A, allowing for a strong holding torque of 0.45Nm. It is an ideal choice for 3D printing, CNC milling machines, robots, etc.
NEMA 17 40mm 1-68A Specification
- Part Number: 42AI40-1684A
- Step Angle: 1.8deg
- Bipolar/Unipolar: Bipolar
- Holding Torque: 0.45Nm
- Rated Current/phase: 1.68A
- Phase Resistance: 1.95ohms
- Inductance: 4.4mH
- Driving Voltage: 12-24VDC
- Frame Size: 42x42mm
- Body Length: 40mm
- Shaft Diameter: Φ5mm
- Shaft Length: 24mm
- D-cut Length: 20mm
- Number of Leads: 4
- Lead Length: 1000mm
- Weight: 300g
Overall Size

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