The BIFA 250mm Three Phase 4 Pole 30° Fan (Stock Ref. BIFA253430) is a heavy-duty bifurcated case axial fan built for commercial and industrial ventilation applications. Designed to suit fan sizes ranging from 250mm to 1000mm, it features a Class F insulated motor with IP55 protection for reliable and long-lasting performance. Capable of handling ambient air temperatures up to 200°C, the fan can also be speed controlled by transformer or inverter when operating below 60°C. Suitable for environments with up to 95% relative humidity, it is manufactured under BS EN ISO 9001:2015 quality standards and tested to BS 848 Parts 1 & 2 and ISO 5801 for assured performance. Backed by a 2‑year guarantee, this fan offers durability and efficiency for demanding commercial ventilation needs.