The BIFA Three Phase 4 Pole 30-degree 900mm bifurcated axial fan is designed for reliable commercial ventilation. Covering diameters from 250mm to 1000mm, it features a motor protected to IP55 with Class ‘F’ insulation, capable of operating at ambient temperatures up to 200°C. Fan speed can be controlled via transformer or inverter when ambient air temperatures do not exceed 60°C. The IP55 terminal box supports environments with up to 95% relative humidity. Manufactured in accordance with BS EN ISO 9001:2015 and performance-tested to BS 848 parts 1,2 and ISO 5801, this fan comes with a 2‑year guarantee for dependable operation.