This is unipolar NEMA 17 stepper motor with step angle 0.9deg and size 39x39x34mm. It has 6 wires, each phase draws 0.31A, with holding torque 0.16Nm (22.6oz.in). A length of 13.5mm rear shaft and two M2.5 threaded holes are available for encoder or equals mounted.
Electrical Specification
Part Number: 42HM34-0316D
Step Angle: 0.9deg
Bi/Unipolar: Unipolar
Holding Torque: 0.16Nm(22.6oz.in)
Rated Current/phase: 0.31A
Phase Resistance: 35.8ohms
Inductance: 33.0mH
Driving Voltage: 12-24VDC
Physical Specification
Frame Size: 42x42mm
Body Length: 34mm
Shaft Diameter: Φ5mm
Front Shaft Length: 26.5mm
Rear Shaft Length: 13.5mm
Number of Leads: 4
Lead Length: 500mm
Weight: 300g
Motor Connection
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| Electrical Specification | |
| Bipolar/Unipolar | Unipolar |
| Step Angle(°) | 0.9 |
| Holding Torque(Nm) | 0.16 |
| Holding Torque(oz.in) | 22.6 |
| Rated Current(A) | 0.31 |
| Phase Resistance(ohm) | 35.8 |
| Phase Inductance(mH) | 33.0 |
| Physical Specification | |
| Frame Size(mm) | 42x42 |
| Body Length(mm) | 34 |
| Shaft Type | Round |
| Shaft Diameter(mm) | 5 |
| Front Shaft Length(mm) | 26.5 |
| Rear Shaft Length(mm) | 13.5 |
| No. of Leads | 6 |
| Lead Length(mm) | 500 |
| Weight(KG) | 0.25 |
