The LB Fans LCA451438 long cased axial fan provides dependable performance for commercial ventilation systems. This single-phase, 4‑pole fan is equipped with an IP55-rated motor and Class ‘F’ insulation, suitable for ambient temperatures up to 54˚C. It features a 450mm polypropylene impeller with a 38° pitch, factory-adjustable, and can be speed-controlled via transformer or inverter. The fan is suitable for environments with up to 95% relative humidity and includes an IP55 terminal box for secure operation. Manufactured to BS EN ISO 9001:2015 and performance-tested to BS 848 parts 1, 2 and ISO 5801, the LCA451438 ensures efficient airflow, durability, and is backed by a 2‑year guarantee.