The LB Fans LCA403430 long cased axial fan delivers reliable performance for commercial ventilation systems. This three-phase, 4‑pole fan features a Class ‘F’ insulated motor with IP55 protection, suitable for ambient temperatures up to 54˚C. The factory-set polypropylene impeller is adjustable and set to a 30° pitch, with most models allowing speed control via transformer or inverter. Built to withstand environments with up to 95% relative humidity, the fan includes an IP55 terminal box for safe electrical connections. Manufactured to BS EN ISO 9001:2015 standards and tested according to BS 848 parts 1, 2 and ISO 5801, the LCA403430 ensures dependable operation, backed by a 2‑year guarantee.