The BIFA Single Phase 4 Pole 10° 400mm bifurcated case axial fan is designed to provide dependable ventilation across commercial environments. Available in diameters ranging from 250mm to 1000mm, this unit incorporates an IP55-protected motor with Class ‘F’ insulation, ensuring safe and efficient operation in conditions up to 200°C. Speed control can be achieved through a transformer or inverter when the surrounding air temperature is maintained below 60°C. Built with an IP55 terminal box and capable of handling relative humidity up to 95%, it offers robust performance even in demanding settings. Manufactured to BS EN ISO 9001:2015 standards and tested in line with BS 848 parts 1,2 and ISO 5801, this fan is supplied with a 2‑year guarantee for added reliability.