The BIFA Single Phase 4 Pole 12° 400mm bifurcated case axial fan delivers efficient and reliable airflow for commercial ventilation applications. With diameters available from 250mm to 1000mm, this model is fitted with an IP55-rated motor featuring Class ‘F’ insulation for enhanced durability and safety. It operates effectively in ambient temperatures up to 200°C and supports speed regulation via transformer or inverter when the air temperature is below 60°C. Equipped with an IP55 terminal box and capable of performing in environments with relative humidity up to 95%, it ensures long-lasting dependability. Manufactured under BS EN ISO 9001:2015 standards and performance-tested in accordance with BS 848 parts 1,2 and ISO 5801, this fan comes with a 2‑year guarantee for added assurance.