Nema 17 Closed Loop Stepper Motor 42Ncm/59.48oz.in with Encoder 1000PPR(4000CPR)

Nema 17 Closed-Loop Stepper Motor with 1000PPR Encoder - High Precision 42Ncm Torque for CNC, 3D Printing and Automation

✔️ Nema 17 Closed-Loop Stepper Motor with Encoder (1000PPR/4000CPR) - 42 Ncm Holding Torque, 1.5 A per Phase, Single Unit

This compact Nema 17 closed-loop motor with an integrated encoder is built for precise motion in CNC machines, 3D printers, robotics, and automation setups. It fits a 42 x 42 mm frame with a 60 mm body length and a 5 mm shaft, delivering real time position feedback to boost accuracy and reduce heat compared with open loop designs.

✅ Frame size 42 x 42 mm; body length 60 mm; shaft diameter 5 mm; shaft length 24 mm
✅ Lead length 500 mm; D-Cut shaft length 15 mm; weight 0.4 kg
✅ Two-phase design; rated current per phase 1.5 A; step angle 1.8 degrees
✅ Holding torque 42 Ncm (59.48 oz-in); phase resistance 1.65 ohms; inductance 2.5 mH ± 20% at 1 kHz
✅ Encoder: optical incremental, 1000 PPR (4000 CPR); differential 2-channel output
✅ Supply voltage 5 V; output high voltage < 4 V; output low voltage < 1 V
✅ Manufacturer part number 17HS15-2004D-E1K

This handy closed-loop setup delivers precise positioning with efficient torque and cooler operation, making it a strong choice for accurate automation tasks in CNC, 3D printing, and robotics.

💡 What is a closed-loop stepper motor with encoder used for in precise automation systems and how does it improve performance?

This answer highlights the core benefits and practical uses.

• Provides real-time feedback for position and speed control
• Reduces motor heat and energy use compared to open loop systems
• Improves torque consistency under load and prevents skipped steps
• Boosts repeatability and reliability in CNC, 3D printing, and automation tasks