57EX22-ED Closed Loop Stepper Motor | 2.28V | 4A Peak | 2.2 Nm Holding Torque
57EX22-ED is a closed loop hybrid stepper motor designed for precise positioning and reliable motion control in industrial automation systems. It features a standard 57mm frame size with a 1.8° step angle and integrated encoder feedback to ensure accurate position control and eliminate step loss. The motor operates at a rated voltage of 2.28V with a rated current of 4A (peak per phase), delivering stable torque performance under dynamic load conditions. With a holding torque of 2.2 Nm and optimized electromagnetic design, it ensures smooth operation, low vibration, and high efficiency. The closed loop design improves reliability, reduces heat generation, and enhances overall system performance.
Application:
| Parameter | Specification |
|---|---|
| Model | 57EX22-ED |
| Type | Closed Loop Hybrid Stepper Motor |
| Frame Size | 57 mm |
| Number of Phase | 2 |
| Step Angle | 1.8° ±5% |
| Rated Voltage | 2.28 V |
| Rated Current / Phase | 4 A (Peak Value) |
| Holding Torque | 2.2 Nm |
| Detent Torque | 9 g·cm |
| Phase Resistance | 0.57 Ω ±10% (20°C) |
| Phase Inductance | 2.1 mH ±20% (1 kHz, 1 Vrms) |
| Dielectric Strength | AC 500V / 1 min / 5mA Max |
| Rotor Inertia | 530 g·cm² |
| Insulation Class | B (130°C) |
| Weight | 1.2 kg |
