The BIFA Three Phase 4 Pole 12-degree 560mm axial fan is engineered for commercial ventilation use. Available in diameters from 250mm to 1000mm, it features motors with IP55 protection and Class ‘F’ insulation, providing reliable and durable operation. 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 compliance with BS EN ISO 9001:2015, its performance has been tested to BS 848 parts 1 and 2 and ISO 5801 standards. The BIFA563412 model comes with a 2‑year guarantee, ensuring dependable and efficient commercial ventilation.