| Model | Step Angle 2 Phase Excitation | Number of phase | Supply Voltage (DC V) | Winding Resistance (at 20℃) Ω±10% | Rate Current | Holding Torque (mN.m) | Detent Torque (mN.m) | Rotor Inertia (g.cm2) | Insulation Class | Height (mm) |
| 55BY412 | 7.5°±7% | 2 | 24 | 4.0 | 1.0 | 180 | 29.4 | 41 | E | 26.5 |
60*60 mm squared size, Nema 24 standard, 1.8° step angle, up to 450 Ncm holding torque, customizable
φ57 mm round size, Nema 23 standard, 0.9° or 1.8° step angle, up to 160 Ncm holding torque, customizable
35*35 mm squared size, Nema 14 standard, 1.8° step angle, up to 20 Ncm holding torque, customizable
86*86 mm squared size, Nema 34 standard, 1.8° step angle, up to 1300 Ncm holding torque, customizable
