NEMA23 23HS4128-8 Stepper Motor

Specifications:

• Model Number: 23HS4128-8
• Motor Type: Bipolar Stepper Motor
• Frame Size: NEMA 23 (2.3 inches or 57 mm square frame)
• Number of Phases: 2
• Step Angle: 1.8° per step (200 steps per revolution)
• Holding Torque: Up to 1.26 Nm (178 oz-in)
• Rotor Inertia: 57 g·cm²
• Motor Weight: Approximately 0.9 kg

Electrical Specifications:

• Rated Current: 2.8 A/phase
• Resistance: 0.9 Ω/phase
• Inductance: 2.8 mH/phase
• Voltage: Determined by driver settings (not fixed)

Mechanical Specifications:

• Motor Length: 47 mm (standard version)
• Shaft Diameter: 6.35 mm (0.25 inches)
• Shaft Length: 21 mm (varies depending on configuration)
• Front Shaft Type: Single or double shaft available
• Mounting Holes: M5 tapped holes, compatible with NEMA23 mounts
• Max Radial Load: 28 N (5 mm from the flange)
• Max Axial Load: 10 N

Wiring Details:

• Number of Leads: 8 leads (versatile for various wiring configurations)
  • Bipolar Parallel: Higher torque at high speeds
  • Bipolar Series: Higher torque at low speeds
  • Unipolar: Compatibility with unipolar drivers
• Wire Colors:
  • Phase A: Black and Green
  • Phase B: Red and Blue
  • Center Taps: Yellow and White (for unipolar configuration)

Performance Characteristics:

• Detent Torque: 65 mNm
• Step Accuracy: ±5%
• Insulation Resistance: 100 MΩ (minimum) at 500 VDC
• Dielectric Strength: 500 V AC for 1 minute
• Operating Temperature: -20°C to +50°C
• Storage Temperature: -40°C to +80°C
• Thermal Resistance: 1.5°C/W

Applications:

• CNC machines
• 3D printers
• Robotics
• Camera sliders
• Industrial automation systems
• Precision positioning systems

Wiring Configurations:

1. Bipolar Series:
   • Connect Black & Green (Phase A), and Red & Blue (Phase B).
   • Use Yellow and White as isolation.
2. Bipolar Parallel:
   • Connect Black & Yellow and Green & White for Phase A.
   • Connect Red & Yellow and Blue & White for Phase B.
3. Unipolar:
   • Use Yellow and White for center taps and connect phases accordingly.