The LB Fans LCA451418 long cased axial fan is engineered for efficient commercial ventilation. This single-phase, 4‑pole fan features a Class ‘F’ insulated motor with IP55 protection, capable of operating in ambient temperatures up to 54˚C. Its 450mm polypropylene impeller is factory-set at an 18° pitch and is adjustable, with most models supporting speed control via transformer or inverter. Designed for environments with up to 95% relative humidity, the fan includes an IP55-rated terminal box. Manufactured in accordance with BS EN ISO 9001:2015 and performance-tested to BS 848 parts 1, 2 and ISO 5801, the LCA451418 ensures durable, consistent airflow and is backed by a 2‑year guarantee.