The BIFA Single Phase 4 Pole 38° 315mm fan is engineered for reliable performance in commercial ventilation applications. Available in sizes from 250mm to 1000mm diameter, this bifurcated case axial fan incorporates an IP55-protected motor with Class ‘F’ insulation, ensuring long service life and durability in challenging environments. It can withstand ambient temperatures up to 200°C and offers variable speed control via transformer or inverter when the ambient temperature does not exceed 60°C. Designed with an IP55 terminal box, the fan is suitable for use in conditions with relative humidity levels up to 95%. Manufactured to BS EN ISO 9001:2015 quality standards, the fan is tested in accordance with BS 848 parts 1 and 2, and ISO 5801. Each unit is backed by a 2‑year guarantee for added assurance.