This geared nema 17 stepper motor has 40mm body and 1.68A rated current, integrated with one spur gearbox. It's an ideal solution to the applications that required limited space but low speed or high torque. Please note the gearbox output shaft diameter is 6.35mm.
Electrical Specification
Part Number: 42HS40-1684S-SG10
Step Angle: 1.8deg
Bi/Unipolar: Bipolar
Holding Torque: 0.45Nm(63.7oz.in)
Rated Current/phase: 1.68A
Phase Resistance: 1.65ohms
Inductance: 3.2mH
Frame Size: 42x42mm
Motor Length: 40mm
Number of Leads: 4
Lead Length: 500mm
Gearbox Specification
Gearbox Type: Spur
Gear Ratio: 10:1
Efficiency: 80%
Backlash at No-load: ≤0.6deg
Rated Torque: 2.5Nm
Ultimate Torque: 3.0Nm
Gearbox Length: 28.5mm
Shaft Diameter: Φ6.35mm
Shaft Length: 20mm
D-cut Length: 16mm
Motor Connection
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| Motor Specification | |
| Step Angle(°) | 1.8 |
| Bipolar/Unipolar | Bipolar |
| Holding Torque(Nm) | 0.45 |
| Holding Torque(oz.in) | 63.7 |
| Rated Current(A) | 1.68 |
| Frame Size(mm) | 42x42 |
| Body Length(mm) | 40 |
| Gearbox Specification | |
| Gearbox Type | Spur |
| Gear Ratio | 10:1 |
| Efficiency | 80% |
| Backlash at No-load | 0.6deg |
| Gearbox Length(mm) | 28.5 |
| Shaft Diameter(mm) | 6.35 |
| Shaft Length(mm) | 20 |
