NEMA17 Stepper Motor STP-42D2022 0.38 N·m 1.2A
Part number: STP-42D2022Stepper Motors
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Prices updated: 14 Oct 2026
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About this product
A NEMA 17 hybrid stepper motor with 0.38 N·m holding torque, 1.2A rated current and a 1.8° step angle, used in 3D printers and small DIY CNC machines. It is rated for a 12 V to 24 V driving voltage and weighs 270 g.
Specifications
- Frame size
- NEMA17
- Holding torque
- 0.38 N·m (380 mN·m)
- Rated current
- 1.2A
- Step angle
- 1.8°
- Internal resistance
- 3.1 Ω
- Driving voltage
- 12V to 24V
- Weight
- 270g
Frequently asked questions
How do I wire this motor to a driver?
Connect the two coil pairs to the driver's A and B outputs. If you are unsure which wires form a pair, use a multimeter in continuity mode to identify each coil before connecting.
What current should I set on the driver?
Set the driver current at or below the motor's rated 1.2A per phase. A driver set above the rating can overheat the motor.
