3-phase motor 57BHP41-501B-21

hybrid stepperNEMA 23for machine tools

Product Overview
The 57BHP41-501B-21 is a 57mm (NEMA 23) 3-phase hybrid stepper motor delivering 0.52 N·m (5.3 kg·cm) of holding torque in a 41mm body length. Rated at 5 A/phase and 1.2° step angle, it is suited for precision motion control in automated equipment and CNC applications. Recommended driver: CW542.

Key Highlights

• 3-Phase, 1.2° step angle — 0.52 N·m (5.3 kg·cm) holding torque
• Rated current: 5 A/Phase — Frame: 57mm (NEMA 23)
• Body length: 41 mm — Shaft diameter: 6.35 mm

Electrical Specifications
Step Angle: 1.2° ± 5%
Holding Torque: 0.52 N·m (5.3 kg·cm)
Rated Current: 5 A/Phase
No. of Phases: 3
No. of Leads: 6
Shaft Diameter: 6.35 mm
Frame Size: 57mm (NEMA 23)
Body Length: 41 mm
Weight: 0.55 kg
Recommended Driver: CW542

Product Datasheet
57BHP41-501B-21

Mechanical Drawing
Mechanical drawing available for 57BH Series (image present on product page)

Torque-Speed Curve
Torque-speed curve available for 57BH Series (image present on product page)

Technical Specifications

• Model: 57BHP41
• Phase: 3
• Step Angle: 1.2° ± 5%
• Holding Torque: 0.52 N·m (5.3 kg·cm)
• Rated Current: 5 A/Phase
• No. of Leads: 6
• Shaft Diameter: 6.35 mm
• Frame Size: 57mm (NEMA 23)
• Body Length: 41 mm
• Weight: 0.55 kg
• Recommended Driver: CW542