The INOVANCE MD520-4T22B is the most powerful model in the MD520 series, delivering 22 kW (30 HP) for the most demanding three-phase AC motor control applications. Combining advanced sensorless vector control (SVC) with a built-in braking unit and PID process control, it is purpose-built for large industrial pumps, high-capacity fans, heavy-duty conveyors, compressors, and high-power OEM machinery. With exceptional torque performance, robust protection, and seamless automation integration, the MD520-4T22B delivers uncompromising industrial drive performance at an outstanding value.
| Model | MD520-4T22B |
|---|---|
| Rated Power | 22 kW / 30 HP |
| Input Voltage | 3-Phase 380 – 480V AC (-15% ~ +10%) |
| Input Frequency | 50 / 60 Hz (±5%) |
| Output Voltage | 0 – Input Voltage |
| Output Frequency | 0 – 400 Hz |
| Rated Output Current | 45 A |
| Overload Capacity | 150% for 60s / 180% for 3s |
| Control Modes | SVC (Sensorless Vector Control), V/F |
| Starting Torque | 150% at 0.5 Hz (SVC mode) |
| Speed Regulation Range | 1:100 (SVC) |
| Speed Accuracy | ±0.5% (SVC) |
| Braking Unit | Built-in braking chopper |
| Communication | RS485 Modbus RTU |
| Cooling Method | Forced air cooling, independent air duct |
| Protection Rating | IP20 |
| Ambient Temperature | -10°C ~ +50°C (derating above 40°C) |
| Altitude | ≤1000 m (derating above) |
| Humidity | ≤95% RH, non-condensing |
| Dimensions (W×H×D) | Approx. 240 × 330 × 210 mm |
| Weight | Approx. 9 kg |
| Certifications | ✔ CE ✔ RoHS |