This geared NEMA 17 stepper motor has 40mm body and 1.68A rated current, integrated with one planetary gearbox of 71.29:1 gear ratio. It's an ideal solution to the applications that require limited space but low speed and high torque.
Motor Specification
P/N: 42HS40-1684S-PG71
Step Angle: 1.8deg
Bi/Unipolar: Bipolar
Holding Torque: 0.45Nm(63.7oz.in)
Rated Current/phase: 1.68A
Phase Resistance: 1.95ohms
Inductance: 4.4mH
Frame Size: 42x42mm
Motor Length: 40mm
Number of Leads: 4
Lead Length: 500mm
Gearbox Specification
Gearbox Type: Planetary
Gear Ratio: 71.29:1
Efficiency: 70%
Backlash at No-load: <=1deg
Rated Torque: 4.0Nm
Maximun Torque: 6.0Nm
Gearbox Length: 44.6mm
Shaft Diameter: Φ8mm
Shaft Length: 20mm
D-cut Length: 15mm
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) | 48 |
Gearbox Specification | |
Gearbox Type | Planetary |
Gear Ratio | 71:1 |
Efficiency | 70% |
Backlash at No-load | 1deg |
Gearbox Length(mm) | 44.6 |
Shaft Diameter(mm) | 8 |
Shaft Length(mm) | 20 |