The LB Fans LCA451424 long cased axial fan delivers high-performance commercial ventilation. This single-phase, 4‑pole fan features an IP55-rated motor with Class ‘F’ insulation, capable of operating in ambient temperatures up to 54˚C. It comes equipped with a 450mm polypropylene impeller, factory-set at a 24° pitch, which is adjustable and compatible with speed control via transformer or inverter on most models. Suitable for environments with up to 95% relative humidity, it includes an IP55 terminal box and is manufactured to BS EN ISO 9001:2015. Performance is rigorously tested to BS 848 parts 1, 2 and ISO 5801 standards, ensuring consistent airflow and reliability. A 2‑year guarantee provides additional assurance of quality.