The BIFA Three Phase 4 Pole 18° 400mm bifurcated case axial fan is designed for high-performance commercial ventilation. It is available in diameters ranging from 250mm to 1000mm and features an IP55-protected motor with Class ‘F’ insulation, suitable for maximum ambient temperatures of 200°C. Fan speed can be controlled via transformer or inverter when the air temperature does not exceed 60°C.
Equipped with an IP55 terminal box and rated for relative humidity levels up to 95%, this fan is manufactured to BS EN ISO 9001:2015 standards and performance-tested according to BS 848 parts 1,2 and ISO 5801. The BIFA403418 comes with a 2‑year guarantee, making it a reliable choice for commercial ventilation applications.