The LB Fans LCA451420 long cased axial fan is designed for reliable commercial ventilation. This single-phase, 4‑pole fan features an IP55-protected motor with Class ‘F’ insulation, suitable for ambient temperatures up to 54˚C. The 450mm polypropylene impeller comes factory-set at a 20° pitch and is adjustable, with most models compatible with speed control via transformer or inverter. It is built to perform in environments with up to 95% relative humidity and includes an IP55-rated terminal box. Manufactured to BS EN ISO 9001:2015 and tested to BS 848 parts 1, 2 and ISO 5801, the LCA451420 delivers consistent airflow with durability, backed by a 2‑year guarantee.