The LB Fans LCA403414 long cased axial fan delivers robust and efficient performance for demanding commercial ventilation applications. Featuring a three-phase, 4‑pole motor with Class ‘F’ insulation and IP55 protection, this fan is engineered for durability and safe operation. It is suitable for continuous use in environments with ambient temperatures up to 54˚C and supports variable speed control via transformer or inverter systems. The polypropylene impeller is factory set at a 14° pitch, ensuring effective airflow performance. With an IP55-rated terminal box and resistance to relative humidity levels up to 95%, this model is designed for long-term reliability. Manufactured in compliance with BS EN ISO 9001:2015 and performance tested to BS 848 parts 1, 2, and ISO 5801, the LCA403414 comes with a 2‑year guarantee, making it a dependable choice for commercial ventilation installations.