The BIFA Three Phase 4 Pole 36° 315mm bifurcated case axial fan is designed for efficient commercial ventilation. It comes in sizes from 250mm to 1000mm diameter and features a robust IP55 motor with Class ‘F’ insulation, capable of handling ambient temperatures up to 200°C. Fan speed is adjustable via transformer or inverter, provided the surrounding air temperature does not exceed 60°C. The fan includes an IP55 terminal box and is suitable for environments with relative humidity up to 95%. Manufactured to BS EN ISO 9001:2015 standards and performance tested to BS 848 parts 1,2 and ISO 5801, it ensures reliable operation and is supported by a 2‑year guarantee.