The BIFA Three Phase 4 Pole 30° 315mm bifurcated case axial fan is engineered for reliable commercial ventilation. Offered in sizes ranging from 250mm to 1000mm diameter, it features an IP55-protected motor with Class ‘F’ insulation and can operate in ambient temperatures up to 200°C. Speed is adjustable through a transformer or inverter when air temperatures are below 60°C. The IP55 terminal box ensures secure electrical connections, and the fan is suitable for conditions with up to 95% relative humidity. Built to BS EN ISO 9001:2015 standards and tested to BS 848 parts 1 and 2 and ISO 5801, it guarantees consistent airflow and performance. A 2‑year warranty provides added assurance for commercial applications.