The LB Fans LCA451434 long cased axial fan is designed for high-performance commercial ventilation. This single-phase, 4‑pole fan features an IP55-protected motor with Class ‘F’ insulation, suitable for ambient temperatures up to 54˚C. Its 450mm polypropylene impeller, set at a 34° pitch, is factory-adjustable and supports speed control via transformer or inverter. The fan operates efficiently in environments with up to 95% relative humidity and includes an IP55 terminal box. Manufactured to BS EN ISO 9001:2015 standards and performance-tested to BS 848 parts 1, 2 and ISO 5801, the LCA451434 ensures reliable airflow and long-term durability, backed by a 2‑year guarantee.