Product Specification
| Parameter | Specification |
|---|---|
| Model | 86EX45-12.7 |
| Type | Hybrid Stepper Motor |
| Frame Size | 86 mm |
| Number of Phase | 4 |
| Step Angle | 1.8° ±5% |
| Rated Voltage | 3.2 V |
| Rated Current / Phase | 4.4 A |
| Holding Torque | 4.5 Nm |
| Phase Resistance | 0.8 Ω ±10% (20°C) |
| Phase Inductance | 3.2 mH ±20% (1 kHz, 1 Vrms) |
| Dielectric Strength | AC 500V / 1 min / 5mA Max |
| Rotor Inertia | 1400 g·cm² |
| Insulation Class | B (130°C) |
| Weight | 2.8 kg |
| Shaft Diameter | 12.7 mm |









