STEPPERONLINE 27:1 Planetary Gearbox High Torque Nema 17 Stepper Motor 3D Printer DIY Camera

This high precision NEMA 17 Stepper motor 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: 17HS19-1684S-PG27
* Motor Type: Bipolar Stepper
* Step Angle: 0.067 deg.
* Holding Torque: 3Nm
* Rated Current/phase: 1.68A
* Phase Resistance: 1.65ohms
* Inductance: 2.8mH+/-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: 48mm
* Gearbox Length: 35mm
* Shaft Diameter: 8mm
* Shaft Length: 20mm
* D-cut Length: 15mm
* Number of Leads: 4
* Lead Length: 500mm
* Weight: 570g

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.

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