The LB Fans LCA351430 is a long cased axial fan engineered for commercial ventilation. It features a 350mm adjustable polypropylene impeller set at 30° and operates with a single-phase, 4‑pole motor. The motor is IP55 rated and uses Class F insulation, allowing operation in ambient temperatures up to 54˚C. Many models in this series offer speed control via a transformer or inverter. The fan comes with an IP55-rated terminal box and is suitable for relative humidity levels up to 95%. Manufactured to BS EN ISO 9001:2015 standards, its performance is tested according to BS 848 parts 1, 2 and ISO 5801. This model comes with a 2‑year guarantee.