The BIFA Three Phase 4 Pole 36-degree 800mm bifurcated axial fan is designed for efficient commercial ventilation. It is available in diameters ranging from 250mm to 1000mm and features an IP55-protected motor with Class ‘F’ insulation, capable of operating in ambient temperatures up to 200°C. Speed can be controlled via transformer or inverter when the surrounding air temperature does not exceed 60°C. The fan includes an IP55 terminal box and is suitable for 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 reliable, long-term operation.