The BIFA 250mm Three Phase 2 Pole 40° Fan (Stock Ref. BIFA253240) is a high-performance bifurcated case axial fan suitable for fan sizes ranging from 250mm to 1000mm. It features Class F motor insulation and an IP55-rated terminal box, allowing safe operation in ambient temperatures up to 200°C. The fan speed is adjustable via transformer or inverter when air temperatures do not exceed 60°C. Engineered for relative humidity levels up to 95%, it is manufactured to BS EN ISO 9001:2015 standards and tested to BS 848 Parts 1 & 2 and ISO 5801. This unit includes a 2‑year guarantee, ensuring dependable performance for commercial ventilation systems.