The LB Fans LCA403240 is a durable long cased axial fan designed to deliver powerful airflow for commercial ventilation systems. Featuring a three-phase, 2‑pole motor with Class ‘F’ insulation and IP55 protection, it ensures dependable performance in demanding applications. Built to operate in ambient conditions up to 54˚C, this fan is compatible with both transformer and inverter speed controls for flexible operation. Its polypropylene impeller, factory-set at a 40° pitch, provides efficient air movement and reliability. The IP55-rated terminal box and high tolerance for humidity levels up to 95% make it suitable for challenging environments. Manufactured under BS EN ISO 9001:2015 quality standards and performance tested to BS 848 parts 1, 2, and ISO 5801, the LCA403240 offers proven reliability and efficiency. Backed by a 2‑year guarantee, it is a trusted choice for commercial ventilation requirements.