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: <=1 deg. * Max.
Permissible Torque: 3Nm(425oz-in) *
Moment Permissible Torque: 5Nm(708oz-in) *
Shaft Maximum Axial Load: 50N *
Shaft Maximum Radial Load: 100N
Physical Specifications: *
Frame Size: 42 x 42mm *
Motor Length: 34mm *
Gearbox Length: 35mm *
Shaft Diameter: 6mm *
Shaft Length: 18mm *
D-cut Length: 12mm * Number of
Leads: 4 *
Lead Length: 500mm *
Weight: 420g
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.