Nema 17 Bipolar Stepper 0.9deg(400 steps/rev) 1.68A 44Ncm(62.3oz.in) OSM Motor Model: 17HM19-1684S Tools & Home Improvement

This is high precision bipolar Nema 17 stepper motor with 0.9 deg. step angle (400 steps/revolution).
Each phase draws current 1.68A, allowing for a holding torque of 44Ncm(62.3oz.in).

Electrical Specification:

* Manufacturer Part Number: 17HM19-1684S
* Motor Type: Bipolar Stepper
* Step Angle: 0.9 deg.
* Holding Torque: 44Ncm(62.3oz.in)
* Rated Current/phase: 1.68A
* Phase Resistance: 1.65ohms
* Inductance: 4.1mH+/-20%(1KHz)

Physical Specification:

* Frame Size: 42 x 42mm
* Body Length: 47mm
* Shaft Diameter: 5mm
* Shaft Length: 20mm
* D-cut Length: 15mm
* Number of Leads: 4
* Lead Length: 500mm
* Weight: 370g

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.