The BIFA Single Phase 2 Pole 26° 400mm bifurcated case axial fan is built for effective airflow in commercial ventilation applications. Available in diameters from 250mm to 1000mm, it incorporates an IP55-protected motor with Class ‘F’ insulation and can withstand maximum ambient temperatures of up to 200°C. Speed control can be achieved using a transformer or inverter when ambient air does not exceed 60°C. The unit features an IP55-rated terminal box and is suitable for environments with relative humidity up to 95%. Produced to BS EN ISO 9001:2015 standards and performance tested according to BS 848 parts 1,2 and ISO 5801, this fan is backed by a 2‑year manufacturer’s guarantee.