The BIFA Three Phase 2 Pole 28-degree 500mm axial fan is engineered for commercial ventilation applications. It is available in diameters from 250mm up to 1000mm, featuring motors protected to IP55 and Class ‘F’ insulation for reliable operation in demanding conditions. The fan can operate in ambient temperatures up to 200°C, with speed adjustable via transformer or inverter when air temperatures do not exceed 60°C. An IP55-rated terminal box ensures safe connections, while the fan is suitable for environments with relative humidity up to 95%. Manufactured in accordance with BS EN ISO 9001:2015, its performance has been thoroughly tested to BS 848 parts 1 and 2 and ISO 5801 standards. The BIFA503228 axial fan comes with a 2‑year guarantee, providing dependable commercial ventilation performance.