The LB Fans LCA503410 is a robust long cased axial fan engineered for commercial ventilation applications. It features a three-phase 4‑pole motor with Class ‘F’ insulation and IP55 protection, ensuring safe and durable operation. The 500mm polypropylene impeller is factory-set at a 10° blade pitch to deliver optimal airflow performance. Suitable for 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 performance tested to BS 848 parts 1, 2 and ISO 5801, it includes an IP55 terminal box and is backed by a 2‑year guarantee.