57mm Closed-Loop Dual-Shaft Hollow Stepper Motor with 1000-line Optical Encoder

Technical Specifications of 57mm Closed-Loop Hollow Shaft Stepper Motor(NEMA23)

Our 57mm closed-loop dual-shaft hollow stepper motor combines high-torque performance with precision feedback control, making it ideal for applications requiring accurate positioning and reliable operation in demanding environments.

Motor Electrical Specifications

• Step Angle: 1.8° ± 5%
• Number of Phase: 2-Phase
• Phase Voltage: 2.52 VDC
• Phase Current: 4.2 Amp
• Phase Resistance: 0.6 Ω ± 10% (at 20°C)
• Phase Inductance: 1.8 mH ± 20%
• Static Torque: 1.89 N.m
• Operating Voltage: 20-48V DC (Recommended 24-36V)

Environmental & Construction Features

• Insulation Class: Class B
• Insulation Resistance: 100 MΩ min. (500V DC)
• Ambient Temperature: -20°C to +50°C
• Ambient Humidity: 15% to 95%
• Waterproof Rating: IP65 Protected
• Motor Weight: Approximately 1.35 kg
• Shaft Material: Copper with oil seal protection

Encoder & Control System

The integrated 1000-line optical encoder provides high-resolution feedback for precise closed-loop control, ensuring accurate positioning and improved system performance.

• Encoder Type: 1000-line Optical Encoder
• Signal Channels: A+, A-, B+, B-, Z+, Z-
• Power Supply: +5V DC
• Wire Color Coding:
  • WHT: +5V Power Supply
  • BRN: GND Ground
  • GRN: EA+ Encoder A+
  • YEL: EA- Encoder A-
  • PK: EB+ Encoder B+
  • NSH: EB- Encoder B-
  • RED: EZ+ Encoder Z+
  • BRL: EZ- Encoder Z-

Compatibility & Customization

• Recommended Drive: SSS2B656T / SSS2B872
• Shaft Customization: Output shaft size can be customized
• Application Range: CNC machinery, Automation systems, Industrial robots, Precision equipment