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Built with precision-machined components and premium magnetic materials, the 57mm stepper motor delivers a true 1.8° step angle with up to 256 microstepping. This enables ultra-smooth motion, low vibration, and precision positioning within ±0.05°. Designed for medical devices, optical systems, and high-end automation, it achieves over 98% repeatable accuracy for dependable, high-performance motion control.
| Quantity: | |
|---|---|
Model No. | Step Angle (°) | Motor Length (mm) | Current /Phase (A) | Holding Torque (kg·cm) | Rotor Inertia (g·cm²) | Weight (Kg) |
SLT57H3P42-5206 | 1.2 | 42 | 5.2 | 4.5 | 110 | 0.45 |
SLT57H3P56-5606 | 1.2 | 56 | 5.6 | 9 | 300 | 0.75 |
SLT57H3P79-5206 | 1.2 | 79 | 5.2 | 15 | 480 | 1.1 |
Note: Above are representative models, custom specifications available on request. | ||||||
1.2°57mm（NEMA23）3phase hybrid stepper motor | |
General specifications | |
Item | Specifications |
Step Angle | 1.2° |
Temperature Rise | 80℃max |
Ambient Temperature | -20℃ ~ +50℃ |
Insulation Resistance | 100MΩ Min., 500VDC |
Dielectric Strength | 500VAC for 1minute |
Shaft Radial Play | 0.02Max. (450g-load) |
Shaft Axial Play | 0.08Max. (450g-load) |
Max. radial force | 75N (20mm from the flange) |
Max. axial force | 15N |
The 57mm 3Phase NEMA23 DC Stepper Motor is a cost-effective, high-precision motion control solution engineered for space-constrained industrial automation systems. With a 57 × 57 mm standard flange and ultra-compact body length ranging from 42 mm to 79 mm, it maintains exceptional mechanical rigidity while fitting into tight equipment designs. Its 3-phase 1.2° step angle architecture delivers reliable pulse-controlled positioning, with a static torque range of 4.5 kg·cm to 15 kg·cm for stable low-speed output. Featuring a simplified open-loop control system that requires no additional feedback hardware, this 3-phase NEMA23 stepper motor offers easy maintenance, long-term reliability, and outstanding cost efficiency for diverse automation applications.
Manufactured with precision-machined components and premium rare-earth magnetic materials, this 1.2° 3-phase stepper motor supports up to 256 microstepping, delivering positioning accuracy of ±0.05° and repeatability exceeding 98%. Its 3-phase design ensures significantly smoother low-speed operation, minimal vibration, and lower resonance compared to 2-phase alternatives, making it ideal for precision applications requiring consistent motion performance.
An optimized magnetic circuit and high-performance rare-earth magnets enable this high torque density NEMA23 stepper motor to deliver holding torque over 25% higher than comparable same-frame models. This enhanced torque density ensures stable power transmission even under continuous load, perfectly meeting the demands of compact automation equipment and textile machinery, while maintaining a small footprint for space-constrained designs.
This motor features a programmable digital I/O interface, with 3 digital input (DI) ports and 1 digital output (DO) port. This adaptability enables seamless integration with smart industrial control systems, supporting real-time signal interaction, logic control, and operational status feedback. It simplifies wiring design, reduces integration complexity, and improves overall system efficiency for smart automation solutions.
This low-cost high-precision stepper motor is widely used in compact industrial scenarios, including medical diagnostic devices, optical measurement systems, small-scale automated production lines, textile machinery, smart warehousing equipment, 3D printing systems, and laboratory automation instruments. It is purpose-built for applications requiring a small footprint, smooth low-speed operation, and cost-effective reliable performance.
We offer comprehensive custom 3-phase NEMA23 stepper motor solutions to meet unique project requirements, including adjustable body length, tailored torque and current parameters, encoder and gearbox integration, matched driver compatibility, custom mounting designs, and special lead wire configurations. We also support custom designs for extreme temperature, dust-proof, or other harsh operating environments.
This 3-phase NEMA23 stepper motor is compatible with mainstream 3-phase stepper drivers, with clear phase labeling for simplified wiring. For installation, ensure the mounting surface is flat and free of excessive vibration, with uniform tightening of mounting bolts to avoid housing deformation. Adhere to the rated radial (75N max, 20mm from flange) and axial (15N max) load limits to protect internal bearings and extend service life. Follow the provided wiring diagram for correct phase connection, with proper grounding to reduce electromagnetic interference.
3-phase motors offer smoother low-speed operation, lower vibration, and reduced resonance compared to 2-phase models, with a smaller 1.2° step angle for higher positioning resolution.
Yes, we support integration with a wide range of gearboxes to adjust speed and torque output for specific application requirements.
The standard lead time for custom samples is 15 working days, with expedited production available for urgent project needs.
Select the appropriate body length model, optimize driver microstepping settings, and ensure proper mounting to minimize vibration. Our technical team can provide tailored design guidance for compact installations.
For equipment manufacturers, system integrators, and industrial procurement teams seeking a cost-effective, compact 3-phase stepper motor solution, we offer tailored design, rapid sample production, and full technical support. Contact us today to discuss your project requirements and get a customized quote for the 57mm 3Phase NEMA23 DC Stepper Motor that perfectly fits your application.
