The BIFA Three Phase 2 Pole 40-degree 500mm axial fan is designed for commercial ventilation applications. It is offered in diameters ranging from 250mm to 1000mm and features IP55-protected motors with Class ‘F’ insulation for dependable operation. The fan can handle ambient temperatures up to 200°C, with speed adjustable via transformer or inverter when the surrounding air temperature does not exceed 60°C. Equipped with an IP55-rated terminal box, it is suitable for environments with relative humidity levels up to 95%. Manufactured according to BS EN ISO 9001:2015, the fan’s performance has been tested to BS 848 parts 1 and 2 and ISO 5801 standards. The BIFA503240 model comes with a 2‑year guarantee, ensuring efficient and reliable commercial ventilation.