The BIFA Three Phase 4 Pole 20-degree 800mm bifurcated axial fan is designed for reliable commercial ventilation across a variety of settings. Available in diameters from 250mm to 1000mm, it features an IP55-protected motor with Class ‘F’ insulation, supporting ambient temperatures up to 200°C. Fan speed can be adjusted via transformer or inverter when ambient temperatures remain below 60°C. The unit includes an IP55 terminal box and is suitable for operation in environments with up to 95% relative humidity. Manufactured to 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, ensuring long-term reliability.