The LB Fans LCA403438 long cased axial fan is designed for high-performance commercial ventilation. This three-phase, 4‑pole fan features a Class ‘F’ insulated motor with IP55 protection, suitable for operation in ambient temperatures up to 54˚C. Its polypropylene impeller, factory-set at a 38° pitch, is adjustable and compatible with speed control via transformer or inverter on most models. Suitable for environments with up to 95% relative humidity, it includes an IP55-rated terminal box for safe and reliable electrical connections. Manufactured to BS EN ISO 9001:2015 standards and tested to BS 848 parts 1, 2 and ISO 5801, the LCA403438 offers dependable airflow performance and comes with a 2‑year guarantee.