The BIFA Three Phase 4 Pole 22-degree 560mm axial fan is built for commercial ventilation applications. Available in sizes from 250mm to 1000mm, it features motors with IP55 protection and Class ‘F’ insulation for reliable, long-term performance. The fan can operate in ambient temperatures up to 200°C, with speed adjustable via transformer or inverter when the surrounding air temperature does not exceed 60°C. Fitted with an IP55-rated terminal box, it is suitable for environments with relative humidity levels up to 95%. Manufactured in accordance with BS EN ISO 9001:2015, its performance has been tested to BS 848 parts 1 and 2 and ISO 5801 standards. The BIFA563422 model includes a 2‑year guarantee, ensuring efficient and dependable commercial ventilation.