ST4118 Series
| Type | ST4118M1804 | ST4118L1804 | ST4118D3004 |
| Current per winding [A] | 1,80 | 1,80 | 3,0 |
| Holding torque [Ncm] | 28,0 | 50,0 | 80,0 |
| Resistance per winding [Ohm] | 1,10 | 1,75 | 1,10 |
| Inductance per winding [mH] | 1,85 | 3,3 | 2,7 |
| Rotor moment of inertia [gcm²] | 48 | 66,5 | 102 |
| Weight [kg] | 0,27 | 0,37 | 0,5 |
| Length "A" [mm] | 38 | 49,5 | 60 |