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  3. 57BHP56-350A-21A_datasheet.pdf

57BHP56-350A-21A_datasheet.pdf

57BHP56-350A-21A_datasheet.pdf

57BHP56-350A-21A_datasheet.pdf

Product catalog summary
Overview: The NEOTON MOTOR 57BHP56-350A-21A is a 57mm (NEMA 23) 3-phase hybrid stepper motor designed for precision motion control applications. It provides a holding torque of 0.883 N·m (9 kg·cm) and operates with a rated current of 3.5 A/Phase.
Key Highlights:
  • 3-Phase operation with a step angle of 1.2° ± 5%.
  • Holding torque of 0.883 N·m (9 kg·cm).
  • Rated current of 3.5 A/Phase.
  • Frame size of 57mm (NEMA 23) with a body length of 56mm.
  • Shaft diameter of 6.35mm.
  • Weight of 0.65 kg.
  • Recommended driver: CW542.
Specifications:
  • Step Angle: 1.2° ± 5%
  • Holding Torque: 0.883 N·m (9 kg·cm)
  • Rated Current: 3.5 A/Phase
  • Number of Phases: 3
  • Number of Leads: 6
  • Shaft Diameter: 6.35mm
  • Frame Size: 57mm (NEMA 23)
  • Body Length: 56mm
  • Weight: 0.65 kg
  • Recommended Driver: CW542
Mechanical Drawing: The document includes a mechanical drawing for the 57BH series (57mm NEMA 23) which provides detailed dimensions and specifications for installation and integration.
Torque-Speed Curve: The document references a torque-speed curve for the 57BH series, which is essential for understanding the motor's performance characteristics under different load conditions.
Contact Information: For further inquiries, NEOTON MOTOR can be contacted via their website at www.neotonmotor.com or through email at [email protected].
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Catalog excerpts

57BHP56-350A-21A_datasheet.pdf-1

NEOTON MOTOR The 57BHP56-350A-21A is a 57mm (NEMA 23) 3-phase hybrid stepper motor delivering 0.883 N-m (9 kg-cm) of holding torque in a 56mm body. With 3.5 A/Phase rated current, it offers reliable performance for precision motion control applications. Recommended driver: CW542. • 3-Phase 1.2° — 9 kg-cm holding torque • 56mm body length, 6.35mm shaft Step Angle Holding Torque Rated Current No. of Phases No. of Leads Shaft Diameter Frame Size Body Length Weight

 Open the catalog to page 1
57BHP56-350A-21A_datasheet.pdf-2

MECHANICAL DRAWING -- 57BH SERIES (57MM (NEMA 23))

 Open the catalog to page 2
57BHP56-350A-21A_datasheet.pdf-4

CWD556 Drive Power supply voltage: DC36V NEOTON MOTOR | www.neotonmotor.com | [email protected] | Generated October 1, 2026

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