The BIFA Single Phase 4 Pole 14° 315mm fan is part of the BIFA bifurcated case axial fan series, designed for use in commercial ventilation systems. Available in sizes from 250mm to 1000mm in diameter, it features motors with IP55 protection and Class ‘F’ insulation, suitable for ambient temperatures up to 200°C. Fan speed can be controlled using a transformer or inverter when the surrounding air temperature does not exceed 60°C. The fan includes an IP55-rated terminal box and operates effectively in environments with relative humidity up to 95%. Manufactured to BS EN ISO 9001:2015 standards, its performance is tested to BS 848 parts 1 and 2 and ISO 5801. The product is supplied with a 2‑year guarantee.