Rtelligent 57AM13 Stepper Motor, 57mm , 1.3 N·m Holding Torque, 8mm Shaft

The 57AM13 NEMA 23 Closed-Loop Stepper Motor is a high-performance hybrid motor designed for precision motion control in industrial and automation systems. It features a 1.8° step angle with encoder feedback, ensuring zero step loss and improved positioning accuracy. Delivering high torque output with smooth and stable operation, it provides servo-like performance at a lower cost. Built with optimized electrical characteristics, it offers low heat generation and high efficiency during continuous operation. This motor is ideal for CNC machines, engraving systems, robotics, pick-and-place units, packaging machines, and other demanding automation applications requiring reliability, precision, and consistent torque output. Features: Closed-loop control with encoder feedback Eliminates step loss for accurate positioning High torque output for heavy-duty applications Smooth and low-noise operation Servo-like performance at lower cost Low heat generation and high efficiency 1.8° step angle for precise motion control Suitable for CNC, robotics, and automation systems Specifications: Motor Type: 2-Phase Hybrid Stepper Motor Shaft Diameter: 8 mm Frame Size: NEMA 23 (57 × 57 mm) Holding Torque: 1.3 N·m Rated Current: 3.0 A per phase Step Angle: 1.8° ±5% Number of Phases: 2 Phase Rated Voltage: 1.26V Rotor Inertia: 260 g·cm² Insulation Class: Class B Operating Temperature: -20°C to +50°C Humidity Range: 15%–90% RH Shaft Load (Radial): 25 N max Shaft Load (Axial): 5 N max Dimensions: 57 x 57x 58 mm Weight: 722 g Package Includes: 1 x Rtelligent 57AM13 Stepper Motor, 57mm , 1.3 N·m Holding Torque, 8mm Shaft

Specifications

Frame Size	NEMA 23 (57 × 57 mm)
Step Angle	1.8°
Holding Torque	1.3 N·m
Motor Type	2-Phase Hybrid Stepper Motor
Shaft Diameter	8 mm
Rated Current	3.0 A per phase
Phase Rated Voltage	1.26V
Shipping Weight	0.779 kg
Shipping Dimensions	16 × 11 × 6 cm