The LB Fans LCA503212 is a high-performance long cased axial fan built for reliable airflow in commercial ventilation systems. This model is equipped with a three-phase 2‑pole motor, protected to IP55 with Class ‘F’ insulation for durability and efficiency. It features a factory-set polypropylene impeller with a 500mm diameter and a 12° blade pitch, optimised for steady airflow in demanding environments. Suitable for maximum ambient temperatures of 54˚C and relative humidity levels up to 95% R.H, the fan can be speed controlled via either a transformer or inverter. Manufactured to BS EN ISO 9001:2015 standards and performance tested to BS 848 parts 1, 2 and ISO 5801, it also comes with an IP55 terminal box and is backed by a 2‑year guarantee, making it a dependable choice for commercial ventilation applications.