The BIFA Three Phase 2 Pole 20° 400mm bifurcated case axial fan is built for high-performance air movement in commercial ventilation systems. Available in diameters ranging from 250mm to 1000mm, this model features an IP55-rated motor with Class ‘F’ insulation, providing durability and safety in demanding environments. Designed to withstand maximum ambient temperatures of up to 200°C, the fan also allows speed control via transformer or inverter when air temperatures are below 60°C. Its IP55 terminal box ensures added protection, while the unit is capable of operating in relative humidity levels up to 95%. Manufactured under BS EN ISO 9001:2015 standards and performance tested to BS 848 parts 1,2 and ISO 5801, this model offers dependable quality and efficiency. Supported by a 2‑year guarantee, the BIFA 403220 is a reliable solution for commercial ventilation applications.