The BIFA Three Phase 4 Pole 24-degree 900mm bifurcated axial fan is designed for dependable commercial ventilation. Compatible with diameters from 250mm to 1000mm, it features an IP55-rated motor with Class ‘F’ insulation, capable of withstanding ambient temperatures up to 200°C. Fan speed is adjustable via transformer or inverter when ambient air temperature remains below 60°C. Equipped with an IP55 terminal box, it 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, this fan comes with a 2‑year guarantee for reliable long-term operation.