27:1 PLANETARY GEARBOX NEMA 17 STEPPER MOTOR DIY CNC HOBBY IN SOUTH AFRICA

This is a short geared NEMA 17 Stepper motor. It has an integrated planetary gearbox with a 26.85:1 gear ratio, the resolution reach 0.067 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: 17HS13-0404S-PG27 * Motor Type: Bipolar Stepper * Step Angle: 0.067 deg. * Holding Torque: 3Nm * Rated Current/phase: 0.4A * Phase Resistance: 30ohms * Inductance: 34mH+/-20%(1KHz) Gearbox Specifications: * Gearbox Type: Planetary * Gear Ratio: 26.85:1 * Efficiency: 81% * Backlash at No-load: