The LB Fans LCA451426 long cased axial fan provides reliable performance for commercial ventilation applications. This single-phase, 4‑pole fan features an IP55-rated motor with Class ‘F’ insulation, suitable for ambient temperatures up to 54˚C. Its 450mm polypropylene impeller is factory-set at a 26° pitch and can be adjusted; most models support speed control via transformer or inverter. Designed for environments with up to 95% relative humidity, it includes an IP55 terminal box and is manufactured to BS EN ISO 9001:2015 standards. Performance is thoroughly tested to BS 848 parts 1, 2 and ISO 5801, ensuring consistent airflow and durability. A 2‑year guarantee confirms its quality and reliability.