The BIFA Three Phase 4 Pole 38° 315mm bifurcated case axial fan is engineered for effective commercial ventilation. Available in diameters from 250mm to 1000mm, it features an IP55-protected motor with Class ‘F’ insulation, capable of operating in ambient temperatures up to 200°C. Fan speed can be controlled using a transformer or inverter when the air temperature does not exceed 60°C. It comes with an IP55 terminal box and is suitable for environments with up to 95% relative humidity. Manufactured to BS EN ISO 9001:2015 standards and performance tested to BS 848 parts 1,2 and ISO 5801, this fan provides reliable operation and is backed by a 2‑year guarantee.