The BIFA Three Phase 4 Pole 24° 315mm bifurcated case axial fan delivers reliable performance for commercial ventilation systems. It is available in diameters from 250mm up to 1000mm and features an IP55-rated motor with Class ‘F’ insulation, suitable for ambient temperatures of up to 200°C. Fan speed can be controlled using a transformer or inverter when the surrounding air temperature does not exceed 60°C. An IP55 terminal box ensures safe electrical connections, and the fan is capable of operating in environments with up to 95% relative humidity. Manufactured according to BS EN ISO 9001:2015 and tested to BS 848 parts 1 and 2 and ISO 5801, this fan guarantees consistent airflow. A 2‑year guarantee provides added reassurance for commercial installations.