The BIFA Single Phase 4 Pole 30° 400mm bifurcated case axial fan is engineered for commercial ventilation applications. Available in sizes from 250mm to 1000mm, it features a motor with IP55 protection and Class ‘F’ insulation, capable of operating in ambient temperatures up to 200°C. The fan’s speed is adjustable via transformer or inverter when the ambient air temperature is below 60°C. It includes an IP55 terminal box and is suitable for relative humidity up to 95%. Manufactured to BS EN ISO 9001:2015 and performance-tested to BS 848 parts 1,2 and ISO 5801, this fan provides dependable airflow with a 2‑year guarantee for added assurance.