The LB Fans LCA353436 is a long cased axial fan engineered for commercial ventilation applications. It incorporates a three-phase, 4‑pole motor with IP55 protection and Class ‘F’ insulation, suitable for ambient temperatures up to 54˚C. Many models in this series provide speed adjustment via a transformer or inverter. The fan features an IP55-rated terminal box and a factory-set adjustable polypropylene impeller. It is designed for environments with relative humidity levels up to 95% and is manufactured according to BS EN ISO 9001:2015 standards. Performance has been tested to BS 848 parts 1 and 2 and ISO 5801. Supplied with a 2‑year guarantee, this fan offers a reliable and efficient solution for commercial ventilation.