The BIFA Three Phase 4 Pole 14-degree 800mm bifurcated axial fan is engineered for commercial ventilation systems. It comes in sizes from 250mm to 1000mm diameter and includes an IP55-rated motor with Class ‘F’ insulation, suitable for maximum ambient temperatures of up to 200°C. Fan speed is adjustable via transformer or inverter when the ambient air temperature does not exceed 60°C. Equipped with an IP55 terminal box, the fan can operate reliably in environments with relative humidity up to 95%. Manufactured to BS EN ISO 9001:2015 and tested to BS 848 parts 1,2 and ISO 5801 standards, this fan is backed by a 2‑year guarantee.