The BIFA Three Phase 4 Pole 38-degree 710mm bifurcated axial fan is engineered for reliable commercial ventilation. It is available in sizes ranging from 250mm to 1000mm diameter and features an IP55-rated motor with Class ‘F’ insulation, capable of handling ambient temperatures up to 200°C. Speed control is possible via transformer or inverter when the ambient air temperature is below 60°C. The IP55 terminal box allows operation in environments with up to 95% relative humidity. Manufactured to BS EN ISO 9001:2015 and performance-tested to BS 848 parts 1,2 and ISO 5801, this fan is backed by a 2‑year guarantee.