M180 use 5 stepper motors. The electric parameter is shown below:
Model
Step Angle
Phase Current
Phase Resistance
Phase Inductance
Holding Torque
Detent Torque
Rotor Inertia
NEMA17-34mm
1.8°
0.4A
24 Ohm
15 mH
1.6 Kg.cm
120 g.cm
34 g.cm