The BIFA Three Phase 4 Pole 28° 400mm bifurcated case axial fan provides efficient and durable ventilation for commercial applications. Available in diameters from 250mm to 1000mm, it features an IP55-rated motor with Class ‘F’ insulation, supporting operation in ambient temperatures up to 200°C. Fan speed can be adjusted via transformer or inverter when the surrounding air temperature is not higher than 60°C.
This fan includes an IP55 terminal box and is suitable for relative humidity levels up to 95%. Manufactured in accordance with BS EN ISO 9001:2015 and performance-tested to BS 848 parts 1,2 and ISO 5801 standards, the BIFA403428 comes with a 2‑year guarantee, ensuring dependable, long-lasting commercial ventilation.