NEMA 17 Closed-Loop Stepper Motor with Integrated Driver for precise motion
✔️ 2-phase, 1.8° step, 0.7Nm torque, 2.0A current, 0.3m cable

This compact NEMA 17 closed-loop stepper motor with an integrated driver is ideal for small automation tasks. It’s a common choice for 3D printers, DIY robots, and compact CNC machines, delivering reliable torque with feedback in a compact package. Pack size: single unit.

✅ Frame size: 42x42x82 mm (1.66x1.66x3.23 in); weight 529 g
✅ Shaft: Ø5 mm diameter, length 22.5 mm; D-cut length 18 mm; installation hole distance 31 mm
✅ Step angle 1.8° (200 steps/rev); 2-phase bipolar with built-in driver
✅ Holding torque 0.7 Nm (99.13 oz-in); resistance 1.5 Ω; inductance 2.3 mH ±20%
✅ Rotor inertia ~78 g cm²; rated current 2.0 A
✅ Cable length 0.3 m; color coding Black (A+), Green (A-), Red (B+), Blue (B-)
✅ Dielectric strength 500 VAC 1 min; insulation class UL B (130°C); insulation resistance 100 MΩ
✅ Operating temp -20°C to 50°C; humidity 15%-95% RH; ambient conditions suitable for hobby labs
✅ Installation hole distance 31 mm; compact footprint supports dense layouts

Dimension	Metric	Imperial
Body size	42x42x82 mm	1.66x1.66x3.23 in
Shaft diameter	Ø5 mm	Ø0.197 in
Shaft length	22.5 mm	0.89 in
D-cut length	18 mm	0.71 in
Installation hole distance	31 mm	1.22 in

💡 What is a closed-loop stepper motor and why should I use it?

For makers, this handy overview helps you see the real benefits. - closed-loop stepper motor with integrated driver boosts positioning accuracy and stall protection - lower heat and energy usage due to dynamic torque control in real time - quiet, smooth operation ideal for 3D printers and DIY robots - handy choice for compact CNCs and automation projects needing dependable motion