The LB Fans LCA501438 is a durable long cased axial fan designed for reliable performance in commercial ventilation systems. Featuring a single-phase 4‑pole motor with IP55 protection and Class ‘F’ insulation, it ensures safe and efficient operation. The 500mm polypropylene impeller is factory set at a 38° pitch, providing strong airflow output across demanding conditions. Suitable for environments up to 54˚C and relative humidity levels of 95% R.H, the fan supports speed control through transformer or inverter options. Built to BS EN ISO 9001:2015 standards and performance tested to BS 848 parts 1, 2 and ISO 5801, it comes equipped with an IP55 terminal box and is backed by a 2‑year guarantee.