The BIFA Three Phase 4 Pole 34° 315mm bifurcated case axial fan is engineered for reliable commercial ventilation. It is available in sizes ranging from 250mm to 1000mm in diameter and features an IP55-rated motor with Class ‘F’ insulation capable of operating in ambient temperatures up to 200°C. Fan speed can be controlled using a transformer or inverter when the ambient air temperature does not exceed 60°C. The IP55 terminal box provides secure electrical connections, and the fan is suitable for 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 offers dependable operation backed by a 2‑year guarantee.