The LB Fans LCA451412 long cased axial fan delivers reliable performance for commercial ventilation systems. This single-phase, 4‑pole fan is equipped with a Class ‘F’ insulated motor protected to IP55, capable of operating in ambient temperatures up to 54˚C. The 450mm polypropylene impeller is factory-set at a 12° pitch and is adjustable, with speed control options available via transformer or inverter for most models. Suitable for environments with up to 95% relative humidity, it also features an IP55-rated terminal box. Manufactured to BS EN ISO 9001:2015 standards and performance-tested to BS 848 parts 1, 2 and ISO 5801, the LCA451412 ensures consistent airflow and reliability, backed by a 2‑year guarantee.