The BIFA Three Phase 4 Pole 12° 315mm bifurcated case axial fan is designed for dependable commercial ventilation performance. Offered in diameters from 250mm to 1000mm, it features an IP55-protected motor with Class ‘F’ insulation, allowing operation in ambient temperatures up to 200°C. Speed can be controlled via transformer or inverter when the ambient air temperature does not exceed 60°C. The fan includes an IP55 terminal box for secure electrical connections 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 and 2 as well as ISO 5801, this model ensures reliable airflow. It comes with a 2‑year guarantee for long-lasting service in commercial applications.