86EX125-15.875 Hybrid Stepper Motor | 4.2V | 6A | 12.5 Nm Holding Torque
86EX125-15.875 is a heavy-duty hybrid stepper motor designed for high torque industrial motion control and precision positioning applications. It features a robust 86mm frame size with a standard 1.8° step angle, ensuring accurate and repeatable step movement. The motor operates at a rated voltage of 4.2V with a rated current of 6A per phase, delivering stable torque performance for demanding load conditions. With a high holding torque of 12.5 Nm, it is suitable for continuous operation in CNC and automation systems. The motor is built with durable insulation and optimized electromagnetic design for reliable long-term performance.
Application:
| Parameter | Specification |
|---|---|
| Model | 86EX125-15.875 |
| Type | Hybrid Stepper Motor |
| Frame Size | 86 mm |
| Number of Phase | 4 |
| Step Angle | 1.8° ±5% |
| Rated Voltage | 4.2 V |
| Rated Current / Phase | 6 A |
| Holding Torque | 12.5 Nm |
| Phase Resistance | 1.4 Ω ±10% (20°C) |
| Phase Inductance | 9 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 | 2.5 kg |
| Shaft Diameter | 15.875 mm |
