The BIFA Three Phase 4 Pole 30-degree 560mm axial fan is built for commercial ventilation use. Available in diameters ranging from 250mm to 1000mm, it features motors with IP55 protection and Class ‘F’ insulation for reliable, long-term operation. The fan can function in ambient temperatures up to 200°C, with speed adjustable via transformer or inverter when the air temperature does not exceed 60°C. It is equipped with an IP55-rated terminal box and is suitable for relative humidity levels up to 95%. Manufactured to BS EN ISO 9001:2015 standards, the fan’s performance has been tested to BS 848 parts 1 and 2 and ISO 5801. The BIFA563430 model includes a 2‑year guarantee, providing consistent and efficient commercial ventilation.