Optical Encoder 1000PPR Integrated Stepper, 72Ncm – Nema 17 High Torque Closed_loop Design

Product Overview

This Nema 17 closed-loop stepper motor features a high-performance 1000PPR (4000CPR) optical incremental encoder with differential signal output. With a holding torque of 72Ncm (101.96oz.in) and a rated current of 2.0A per phase, it offers precise feedback, excellent torque output, and reliable closed-loop motion control. Ideal for mid-size CNC systems, robotics, and automation equipment requiring consistent accuracy and power.

Key Features

• Integrated 1000PPR optical encoder with 2-channel differential output

• High holding torque of 72Ncm (101.96oz.in) at 2.0A current

• Bipolar stepper with 1.8° step angle and low phase resistance

• Nema 17 frame (42x42mm) with extended 80mm body for enhanced torque

• D-Cut shaft (15mm) ensures secure coupling

• Differential encoder output improves signal integrity and noise immunity

• Suitable for industrial automation, 3D printing, and robotics applications

Technical Specifications

Electrical Parameters

• Step Angle: 1.8°

• Holding Torque: 72Ncm (101.96oz.in)

• Rated Current/Phase: 2.0A

• Phase Resistance: 1.75Ω

• Inductance: 4.0mH ±20% (1kHz)

• Insulation Class: B (130°C / 266°F)

Mechanical Dimensions

• Frame Size: 42 x 42mm (Nema 17)

• Body Length: 80mm

• Shaft Diameter: Φ5mm

• Shaft Length: 24mm

• D-Cut Shaft Length: 15mm

• Lead Wire Length: 270mm

• Weight: 0.5kg

Encoder Details

• Type: Optical Incremental

• Resolution: 1000PPR (4000CPR)

• Output Channels: 2 Channels

• Output Type: Differential

• Supply Voltage: 5V (typical)

• High Output Voltage: < 4V

• Low Output Voltage: < 1V

Typical Applications

• CNC routers and mills

• Precision 3D printers

• Automated inspection systems

• Robotics joints and motion platforms

• Industrial packaging and labeling machines

Why Choose This Motor?

A powerful, precise Nema 17 stepper motor with integrated closed-loop feedback—built for high-torque, accurate, and stable motion control in professional automation environments.