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NEMA 23 High Precision Stepper Motor (57mm), 0.9°, 2-Phase Bipolar

  • Exceptional Precision: Features a fine 0.9° step angle for ultra-smooth motion and superior positioning accuracy in demanding applications.
  • Robust High Torque: Delivers a powerful torque range of 0.8-3.2 Nm, providing ample force to drive mechanisms in industrial-grade equipment.
  • Industrial-Grade Design: Built to the robust NEMA 23 standard (57mm frame) for reliable performance in continuous operation environments.
  • Advanced Bipolar Drive: The 2-phase bipolar technology ensures high torque density and efficient, reliable operation.
  • Application: ATM machine,textile equipment,printing machine

Motor Specifications

Model Current Resistance Inductance Holding torque Inertia Length Weight
A Ω±10% mH±20% N.m OZ.in g/cm² mm Max Kg Lbs
SD57H442-3004 3.0 0.55 2.3 0.5 70.81 140 42.5 0.46 1.01
SD57H455-3004 3.0 0.75 3.7 0.9 127.45 280 55.5 0.72 1.59
SD57H476-3004 3.0 1.1 6.0 1.5 212.42 480 76.5 1.1 2.4

 

Engineered for Demanding Industrial Precision

This NEMA 23 high-precision stepper motor is designed for applications where both power and accuracy are non-negotiable. Combining an exceptional 0.9° step angle with a robust 0.8-3.2 Nm torque output in a 57mm frame, it delivers the forceful and flawless motion control required for advanced automation tasks.

Core Advantages

  • Unmatched Accuracy & Smoothness:The 0.9° step angle enables ultra-fine positioning, eliminating visible steps and ensuring exceptionally smooth operation in high-resolution printing, precise textile guiding, and secure ATM currency handling.
  • Power for Demanding Loads:With a peak torque of 3.2 Nm, this motor confidently drives heavier mechanisms, larger printers, and more robust industrial textile equipment that smaller motors cannot support.
  • Built for Continuous Duty:The bipolar design and NEMA 23 construction ensure long-term reliability and consistent performance in 24/7 operational environments like banking, manufacturing, and commercial printing.

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