The BIFA Three Phase 2 Pole 28° 315mm bifurcated case axial fan is designed for reliable commercial ventilation performance. Available in diameters from 250mm to 1000mm, this fan 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 ambient air temperatures do not exceed 60°C. The IP55 terminal box ensures secure electrical connections, and the fan is suitable for environments with up to 95% relative humidity. Built to BS EN ISO 9001:2015 quality standards and performance-tested to BS 848 parts 1 and 2 as well as ISO 5801, this model offers dependable airflow. Each unit is backed by a 2‑year guarantee, making it a robust choice for commercial ventilation systems.