The BIFA Three Phase 4 Pole 10° 315mm bifurcated case axial fan is engineered for consistent and reliable commercial ventilation. Available in diameters from 250mm to 1000mm, it features an IP55-rated motor with Class ‘F’ insulation, capable of operating in ambient temperatures up to 200°C. Speed can be regulated via transformer or inverter when the surrounding air temperature does not exceed 60°C. The IP55 terminal box ensures secure electrical connections, and the fan is suitable for environments with relative humidity levels up to 95%. Manufactured to BS EN ISO 9001:2015 standards and performance-tested according to BS 848 parts 1 and 2 as well as ISO 5801, this model provides dependable airflow. A 2‑year guarantee ensures long-term reliability in commercial applications.