Optical Encoder 1000PPR Integrated Stepper, 42Ncm – Nema 17 High Torque Closed_loop Design

Product Overview

This Nema 17 closed-loop stepper motor is equipped with a 1000PPR (4000CPR) optical incremental encoder and delivers 42Ncm (59.48oz.in) of holding torque at a rated current of 1.5A. The integrated closed-loop feedback system ensures improved accuracy, faster response, and reliable position correction, making it ideal for applications that require precise motion control in demanding environments.

Key Features

• High-torque 42Ncm Nema 17 stepper motor with 1.8° step angle

• Integrated 1000PPR optical encoder with differential signal output

• Closed-loop control prevents step loss and improves motion stability

• Compact 60mm body with D-cut shaft for easy coupling

• Excellent thermal efficiency and energy savings

• Suitable for CNC machinery, robotics, automation equipment, and more

Technical Specifications

Electrical Parameters

• Step Angle: 1.8°

• Holding Torque: 42Ncm (0.42Nm / 59.48oz.in)

• Rated Current/Phase: 1.5A

• Phase Resistance: 1.65Ω

• Inductance: 2.5mH ± 20% (1kHz)

• Insulation Class: B (130°C / 266°F)

Mechanical Dimensions

• Frame Size: 42 x 42mm (Nema 17)

• Body Length: 60mm

• Shaft Diameter: Φ5mm

• Shaft Length: 24mm

• D-Cut Shaft Length: 15mm

• Lead Length: 500mm

• Weight: 0.4kg

Encoder Details

• Type: Optical Incremental

• Resolution: 1000PPR (4000CPR)

• Output Channels: 2 Channels

• Output Type: Differential

• Supply Voltage: 5V

• High Output Voltage: > 4V

• Low Output Voltage: < 1V

Typical Applications

• CNC routers and engraving machines

• High-precision 3D printers

• Robotic arms and actuators

• Automation conveyors

• Pick-and-place systems

Why Choose This Motor?

This high-performance Nema 17 motor combines closed-loop feedback, 1000PPR precision, and 42Ncm torque—ideal for projects demanding accurate, reliable motion in a compact footprint.