The BIFA Single Phase 2 Pole 12° 400mm bifurcated case axial fan provides efficient and reliable commercial ventilation. Available in diameters from 250mm to 1000mm, it features an IP55-protected motor with Class ‘F’ insulation, suitable for ambient temperatures up to 200°C. Fan speed can be adjusted via a transformer or inverter when air temperatures do not exceed 60°C. The unit includes an IP55 terminal box and is designed to operate in environments with up to 95% relative humidity. Manufactured to BS EN ISO 9001:2015 standards and performance tested to BS 848 parts 1,2 and ISO 5801, it comes with a 2‑year guarantee for dependable operation.