The BIFA 250mm Three Phase 4 Pole 45° Fan (Stock Ref. BIFA253445) is a heavy-duty bifurcated case axial fan engineered for commercial and industrial ventilation systems. Designed to cover fan sizes from 250mm up to 1000mm, it features a Class F insulated motor with IP55 protection, ensuring safe and reliable operation in harsh conditions. Capable of handling ambient air temperatures up to 200°C, the fan can also be speed controlled via transformer or inverter when used in environments not exceeding 60°C. With its IP55 terminal box and ability to operate in relative humidity levels up to 95% RH, it is well-suited for demanding conditions. Fully manufactured in accordance with BS EN ISO 9001:2015 and tested to BS 848 Parts 1 & 2 and ISO 5801, this fan offers assured quality and durability. Supplied with a 2‑year guarantee, it provides a reliable solution for robust ventilation requirements.