The BIFA 250mm Three Phase 2 Pole 25° Fan (Stock Ref. BIFA253225) is a robust bifurcated case axial fan designed for fan sizes from 250mm up to 1000mm. It features Class F motor insulation and IP55-rated protection, enabling operation in ambient temperatures up to 200°C. Fan speed can be controlled via transformer or inverter when the ambient temperature does not exceed 60°C. Suitable for relative humidity levels up to 95%, it is manufactured to BS EN ISO 9001:2015 standards and performance tested to BS 848 Parts 1 & 2 and ISO 5801. This fan comes with a 2‑year guarantee, ensuring reliable performance in commercial ventilation systems.