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NEMA 23 2-Phase Stepper Motor (57mm), 1.8°, Unipolar, High Torque

  • High Torque with Simple Drive: The Stepper Motor delivers 0.8-3.2 Nm torque using a 2-phase unipolar design, providing strong performance from simple control circuitry.
  • Cost-Effective Power Solution: Offers powerful performance at a lower system cost, avoiding the need for complex bipolar drivers.
  • Industrial Standard Compatibility: Built to NEMA 23 (57mm) standard for easy integration into existing equipment.
  • Proven in Demanding Applications:Reliable performance for heavy-duty tasks in ATM, textile, and printing machinery.

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
SD57H242-3006 3 0.6 0.5 0.5 70.81 140 42.5 0.46 1.01
SD57H255-3006 3 1.55 0.9 0.9 127.45 180 55.5 0.72 1.59
SD57H276-3006 3 2.4 1.4 1.5 212.42 480 76.5 1.1 2.43

 

This NEMA 23 2-phase unipolar stepper motor delivers a unique combination of substantial power and design simplicity. With 0.8-3.2 Nm torque output and 1.8° step angle, it provides an ideal solution for cost-sensitive industrial applications requiring significant force with simpler, more economical drive electronics.

Core Advantages

  • Simplified System Architecture: The 2-phase unipolar design works with straightforward, cost-effective driver modules, reducing overall system complexity and cost.
  • Substantial Driving Force: Generates ample torque for demanding mechanisms including ATM security systems, textile loom drives, and industrial printing paper handling.
  • Proven Industrial Reliability: Robust NEMA 23 construction ensures consistent performance in demanding operating environments.

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