High Torque Nema23 Closed Loop Stepper Motor with Encoder for CNC & Automation

The Nema23 Closed-Loop Stepper Motor is an intelligent closed-loop stepper motor that integrates encoder feedback with high-torque output. Capable of achieving high-precision positioning, step-loss-free operation, and stable high-speed control, it is widely utilized in CNC equipment, industrial automation, and robotic motion control systems.


Description

Basic Parameters

Frame Size: 57 × 57 mm
Step Angle: 1.8° (200 steps/rev)
Phase: 2 Phase, Bipolar
Body Length: 56 / 76 / 86 / 112 mm

Current: 2.8 – 5.0 A
Voltage: 24V / 36V / 48V
Resistance: 0.5 – 1.2 Ω
Inductance: 2.0 – 6.5 mH

Insulation Class: B (130°C)
Insulation Resistance: ≥100 MΩ

Performance

Torque: 0.4 – 3.0 N·m
Speed: 1000 – 3000 RPM
Accuracy: ±0.09°
Repeatability: ±5 arc-min
Feature: High efficiency, low heat, stable operation

Encoder

Type: Incremental (Optical / Magnetic)
Resolution: 1000 / 2500 / 5000 PPR
Output: AB Quadrature, RS422
Voltage: 5V DC
Function: Real-time position feedback and error correction

Mechanical

Shaft Diameter: 6.35 mm / 8 mm (D-cut)
Shaft Length: 20 – 24 mm
Mounting: 47.14 mm, M5
Weight: 0.7 – 1.4 kg

Environment

Operating Temperature: -20°C ~ +50°C
Storage Temperature: -30°C ~ +70°C
Humidity: 20% – 90% RH
Protection Level: IP20 (IP54 optional)
Service Life: ≥20,000 hours

Control

Control Mode: Step/Dir
Microstepping: 1 / 2 / 4 / 8 / 16 / 32 / 64
Supply Voltage: 24V / 36V / 48V DC

Applications

CNC machines
Automation equipment
Robotics systems
Laser cutting machines
Packaging machinery
Precision positioning systems

Product Overview

Closed loop system with encoder feedback enables real-time position monitoring and automatic error correction. It eliminates step loss and significantly improves accuracy and stability compared to traditional open-loop stepper motors, making it ideal for high-precision automation applications.