The BIFA Three Phase 4 Pole 20° 400mm bifurcated case axial fan is engineered for efficient commercial ventilation. Available in diameters from 250mm to 1000mm, it features an IP55-protected motor with Class ‘F’ insulation, capable of handling maximum ambient temperatures of 200°C. Fan speed can be adjusted using a transformer or inverter when the air temperature is below 60°C.
The fan includes an IP55 terminal box and is suitable for relative humidity levels up to 95%. Manufactured to BS EN ISO 9001:2015 standards and performance-tested according to BS 848 parts 1,2 and ISO 5801, the BIFA403420 comes with a 2‑year guarantee, ensuring dependable performance in commercial ventilation applications.