STEPPERONLINE 47:1 Planetary Gearbox Nema 23 Stepper Motor 2.8A for DIY CNC Mill Lathe Router

This high precision NEMA 23 Stepper motor has an integrated Planetary gearbox with a 46.656:1 gear ratio, the resolution reach 0.039° step angle. It's a good solution in applications that need very low rotation speeds and/or lots of torque. Electrical Specification * Manufacturer Part Number: 23HS22-2804S-PG47 * Motor Type: Bipolar Stepper * Step Angle: 0.039° * Holding Torque: 40Nm * Rated Current/phase: 2.8A * Phase Resistance: 0.9ohms * Recommended Voltage: 24-48V * Inductance : 2.5mH±20%(1KHz) Gearbox Specifications * Gearbox Type: Planetary * Gear Ratio : 46.656:1 * Efficiency: 73% * Backlash at No-load :<=1.5° * Max.Permissible Torque: 40Nm(2832oz-in) * Moment Permissible Torque: 60Nm(4248oz-in) * Shaft Maximum Axial Load: 100N * Shaft Maximum Radial Load : 200N Physical Specifications * Frame Size: 60 x 60mm * Motor Length: 56mm * Gearbox Length: 72mm * Shaft Diameter: Φ12mm * Shaft Length: 30mm * Key-way length: 20mm * Key-way width : 4mm * Number of Leads: 4 * Lead Length: 500mm * Weight : 1.7kg Connection: Black(A+), Green(A-), Red(B+), Blue(B-) Warning: Make sure the motor connect to a constant current or chopper drive controller before you test motor. Connecting the motor directly to a power supply will destroy the motor.

• Bipolar Stepper, Holding Torque: 40Nm ,Rated Current/phase : 2.8A
• Gearbox Type: Planetary
• Frame Size: 60 x 60mm / 2.36x 2.36" , Motor Length: 56mm / 2.20" ,Gearbox Length :72mm / 2.83"
• 4-wires (Black, Green, Blue, Red) , Weight: 1.7kg