The LB Fans LCA503414 is a robust long cased axial fan engineered for commercial ventilation needs. It comes with a three-phase 4‑pole motor featuring Class ‘F’ insulation and IP55 protection for dependable performance. The 500mm polypropylene impeller is factory-set at a 14° blade pitch to optimize airflow. Designed to operate in ambient temperatures up to 54˚C and relative humidity levels up to 95% R.H., this fan allows speed control via transformer or inverter. Manufactured to BS EN ISO 9001:2015 and tested to BS 848 parts 1, 2 and ISO 5801, it includes an IP55 terminal box and is backed by a 2‑year guarantee.