27:1 Planetary Gearbox Nema 11 Dual Shaft Geared Stepper Motor DIY Robot Camera

This high precision NEMA 11 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.
A rear shaft can mount encoder or equals, the rear shaft diameter is 3.9mm.

Electrical Specification:

* Manufacturer Part Number: 11HS12-0674D1-PG27
* Motor Type: Bipolar Stepper
* Step Angle: 0.067 deg.
* Holding Torque: 1.3Nm
* Rated Current/phase: 0.67A
* Phase Resistance: 5.6ohms
* Inductance: 4.2mH+/-20%(1KHz)

Gearbox Specifications:
* Gearbox Type: Planetary
* Gear Ratio: 26.85:1
* Gear Efficiency: 81%
* Backlash at No-load:<=1 deg.
* Max.Permissible Torque: 3Nm(425oz-in)
* Moment Permissible Torque: 5Nm(708oz-in)
* Shaft Maximum Axial Load: 5N
* Shaft Maximum Radial Load: 25N

Physical Specifications:
* Frame Size: 30 x 30mm
* Motor Length: 31.5mm
* Gearbox Length: 35mm
* Front Shaft Diameter: 6mm
* Front Shaft Length: 18mm
* Front D-cut Length: 12mm
* Rear Shaft Diameter 3.9mm
* Rear Shaft Length: 12mm
* Number of Leads: 4
* Lead Length: 300mm
* Weight: 120g

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.