The BIFA Three Phase 4 Pole 40-degree 560mm axial fan is designed for robust commercial ventilation. It comes in diameters ranging from 250mm to 1000mm and is equipped with motors protected to IP55 and insulated to Class ‘F’ standards for reliable operation. The fan can handle maximum ambient temperatures of up to 200°C, with speed adjustable via transformer or inverter when the air temperature is under 60°C. It includes an IP55 terminal box and is suitable for environments with up to 95% relative humidity. Produced according to BS EN ISO 9001:2015, its performance has been tested in line with BS 848 parts 1 and 2 and ISO 5801 standards. The BIFA563440 model is backed by a 2‑year guarantee, ensuring dependable commercial ventilation performance.