The LB Fans LCA501418 is a high-performance long cased axial fan engineered for commercial ventilation applications. It features a single-phase 4‑pole motor with IP55 protection and Class ‘F’ insulation, providing reliable operation in demanding environments. The 500mm polypropylene impeller is factory-set at an 18° blade pitch for optimal airflow and efficiency. Suitable for ambient temperatures up to 54˚C and relative humidity levels up to 95% R.H, the fan ensures consistent ventilation performance. Most models allow speed control via transformer or inverter. Manufactured to BS EN ISO 9001:2015 standards and tested to BS 848 parts 1, 2 and ISO 5801, the LCA501418 comes with an IP55 terminal box and a 2‑year guarantee, making it a durable and dependable choice for commercial installations.