Axial fan built on an external-rotor motor platform. High airflow at low static pressure — ideal for ventilation, condenser and cooling applications.

Technical Specifications
| Model Code | Curve | Voltage (V) | Frequency (Hz) | Speed (rpm) | Power (W) | Current (A) | Noise (dB) | Temp (°C) |
|---|---|---|---|---|---|---|---|---|
| A3P550-EC137-2** | ① | 220 | 50/60 | 1250 | 550 | 2.6 | 71 | -30~+60 |
| A3P550-EC137-05* | ① | 3~380 | 50/60 | 1650 | 1050 | 1.9 | 73 | -30~+60 |
| A3P550-EC137-91* | ① | 3~380 | 50/60 | 1800 | 1600 | 2.74 | 78 | -30~+60 |

