51:1 Planetary Gearbox Nema 14 Stepper Motor Printer Camera Robotics DIY CNC

This high precision NEMA 14 Stepper motor has an integrated Planetary gearbox with a 50.9:1 gear ratio, the resolution reach 0.035 deg. 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: 14HS13-0804S-PG51 * Motor Type: Bipolar Stepper * Step Angle: 0.094 deg. * Holding Torque: 4Nm * Rated Current/phase: 0.8A * Phase Resistance: 6.8ohms * Inductance: 10mH+/-20%(1KHz) Gearbox Specifications: * Gearbox Type: Planetary * Gear Ratio: 50.9:1 * Gear Efficiency: 73% * Backlash at No-load: Physical Specifications: * Frame Size: 35 x 35mm * Motor Length: 34mm * Gearbox Length: 43.6mm * Shaft Diameter: 6mm * Shaft Length: 18mm * D-cut Length: 12mm * Number of Leads: 4 * Lead Length: 500mm * Weight: 360g Connection: Red(A+), Green(A-), Yellow(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.