The LB Fans LCA351414 is a long cased axial fan suitable for commercial ventilation. It features a 350mm adjustable polypropylene impeller set at 14° and operates on a single-phase, 4‑pole motor. The motor is rated IP55 and uses Class F insulation, capable of functioning in ambient temperatures up to 54˚C. Most models in this series allow speed control via a transformer or inverter. The fan includes an IP55-rated terminal box and is compatible with relative humidity levels up to 95%. Produced according to BS EN ISO 9001:2015, the fan’s performance is tested to BS 848 parts 1, 2 and ISO 5801 standards. This model comes with a 2‑year guarantee.