The LB Fans LCA451440 long cased axial fan is designed for reliable commercial ventilation. This single-phase, 4‑pole fan features an IP55-rated motor with Class ‘F’ insulation, supporting ambient temperatures up to 54˚C. Its 450mm polypropylene impeller with a 40° pitch is factory-adjustable and compatible with speed control via transformer or inverter. The fan operates efficiently in environments with up to 95% relative humidity and includes an IP55 terminal box for secure connections. Manufactured to BS EN ISO 9001:2015 and performance-tested to BS 848 parts 1, 2 and ISO 5801, the LCA451440 delivers robust airflow and durability, with a 2‑year guarantee for added peace of mind.