The LB Fans LCA403220 is a high-quality long cased axial fan designed for dependable airflow in commercial ventilation systems. Powered by a three-phase, 2‑pole motor, this unit offers durable performance with Class ‘F’ insulation and IP55 protection, ensuring reliability in demanding conditions. The fan operates in ambient temperatures up to 54˚C and supports speed control through either transformer or inverter, allowing adaptable ventilation management. Its polypropylene impeller, factory set at a 20° pitch, delivers efficient and consistent airflow. An IP55-rated terminal box further enhances operational safety and durability. Suitable for environments with relative humidity up to 95%, this fan is built to rigorous standards, manufactured to BS EN ISO 9001:2015, and performance tested to BS 848 parts 1, 2, and ISO 5801. Backed by a 2‑year guarantee, the LCA403220 is a reliable and durable solution for commercial ventilation needs.