NEMA 17 Stepper Motor 17HS8401S, 1.8 A, 52 N·cm (5-Pack)
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Prices updated: 13 Oct 2026
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About this product
A 42-frame NEMA 17 hybrid stepper motor with a 1.8 degree step angle, 1.8 A rated current and 52 N·cm holding torque, supplied as a pack of five. It has a D-shaft and a four-lead cable with Dupont connectors. It is intended for 3D printers, CNC machines, laser engraving and automation equipment.
Specifications
- Type
- Hybrid
- Phases
- 2
- Step angle
- 1.8°
- Motor size
- 42 x 47 mm
- Shaft
- D-shaft 21 x Ø5 mm
- Rated current
- 1.8 A
- Holding torque
- 52 N·cm
- Leads
- 4-lead, Dupont 1 m
Frequently asked questions
How do I wire the four leads?
A 4-lead NEMA 17 motor has two coils with two wires each. Identify each coil with a multimeter by checking continuity (the pair that reads closed is one coil), then connect them to the A and B outputs of the driver. Reversing one coil's polarity changes the rotation direction.
What driver current should I set?
Set the driver current limit to 1.8 A or lower, depending on the cooling available. A lower current reduces heat and noise but also reduces the available torque.
