The BIFA Single Phase 4 Pole 12° 315mm fan is part of the BIFA bifurcated case axial fan range, designed for commercial ventilation systems. It is offered in diameters from 250mm to 1000mm and features motors with IP55 protection and Class ‘F’ insulation, suitable for operation in ambient temperatures up to 200°C. Fan speed can be adjusted using a transformer or inverter when the ambient air temperature is 60°C or lower. The fan is equipped with an IP55-rated terminal box and is compatible with relative humidity levels up to 95%. Manufactured in accordance with BS EN ISO 9001:2015, its performance is tested to BS 848 parts 1 and 2 and ISO 5801 standards. The unit comes with a 2‑year guarantee.