SL57STH56-3004A-BH 57MM Hybrid Stepper Motor

Specifications

• Motor Type: Hybrid Stepper Motor
• Frame Size: 57mm x 57mm
• Length: 56mm
• Weight: Approximately 1.2 kg

Electrical Specifications

• Phase: 2
• Rated Voltage: 2.8 V
• Rated Current per Phase: 4.0 A
• Resistance per Phase: 0.7 Ohms
• Inductance per Phase: 3.1 mH
• Holding Torque: 3.5 Nm (approximately 495 oz-in)
• Detent Torque: 0.5 Nm (approximately 70 oz-in)

Mechanical Specifications

• Shaft Diameter: 8mm
• Shaft Length: 20mm
• Number of Leads: 4
• Rotor Inertia: 0.017 kg·cm²
• Step Angle: 1.8° (200 steps per revolution)
• Backlash: 0.05° (typical)

Performance Specifications

• Maximum Operating Speed: 2000 RPM
• Maximum Torque at Speed:
  • Holding Torque: 3.5 Nm
  • Torque at 500 RPM: 2.5 Nm
• Temperature Rise: 80°C (maximum)

Environmental Specifications

• Operating Temperature Range: -20°C to +50°C
• Storage Temperature Range: -40°C to +70°C
• Humidity Range: 5% to 95% (non-condensing)

Construction Specifications

• Winding Insulation: Class B (130°C)
• Housing Material: Aluminum alloy
• Protection Class: IP54 (dust and splashproof)

Application Areas

• Typical Applications: CNC machines, 3D printers, robotics, and other automated systems requiring precise control.