The BIFA Three Phase 4 Pole 12-degree 800mm bifurcated axial fan is designed for commercial ventilation applications. It is available in sizes ranging from 250mm to 1000mm diameter and features an IP55-rated motor with Class ‘F’ insulation, capable of operating in ambient temperatures up to 200°C. Fan speed can be adjusted via transformer or inverter when the ambient air temperature does not exceed 60°C. The IP55 terminal box ensures dependable 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 standards, this fan comes with a 2‑year guarantee.