The BIFA Three Phase 4 Pole 28-degree 800mm bifurcated axial fan is designed for efficient commercial ventilation. It is available in diameters ranging from 250mm to 1000mm and features a motor protected to IP55 with Class ‘F’ insulation, capable of operating in ambient temperatures up to 200°C. The fan speed is controllable via transformer or inverter when the ambient air temperature is below 60°C. An IP55 terminal box ensures safe operation in environments with up to 95% relative humidity. Manufactured in compliance with BS EN ISO 9001:2015 and performance tested to BS 848 parts 1,2 and ISO 5801, this fan includes a 2‑year guarantee for long-lasting reliability.