The BIFA Three Phase 4 Pole 40-degree 900mm bifurcated axial fan is engineered for efficient commercial ventilation. Suitable for diameters ranging from 250mm to 1000mm, it features an IP55-protected motor with Class ‘F’ insulation, capable of operating in ambient temperatures up to 200°C. Speed can be regulated via a transformer or inverter when ambient air temperatures do not exceed 60°C. An IP55 terminal box ensures safe electrical connections, and the fan is rated for relative humidity levels up to 95%. Manufactured to BS EN ISO 9001:2015 and tested according to BS 848 parts 1,2 and ISO 5801, this fan includes a 2‑year guarantee for dependable, long-term performance.