The LB Fans LCA451416 long cased axial fan delivers reliable performance for commercial ventilation applications. This single-phase, 4‑pole fan features a Class ‘F’ insulated motor with IP55 protection, suitable for ambient temperatures up to 54˚C. Its 450mm polypropylene impeller is factory-set at a 16° pitch and is adjustable, with most models offering speed control via transformer or inverter. Designed to operate in environments with up to 95% relative humidity, the fan includes an IP55-rated terminal box. Manufactured according to BS EN ISO 9001:2015 and tested to BS 848 parts 1, 2 and ISO 5801, the LCA451416 combines durability, consistent airflow, and is backed by a 2‑year guarantee.