The LB Fans Long Cased Axial Fan LCA311220 is engineered for efficient and reliable commercial ventilation. Featuring a 315mm diameter and 20° blade pitch, this single-phase 2‑pole axial fan delivers strong airflow while maintaining energy efficiency. Built with an IP55-protected motor and Class F insulation, it operates safely in ambient temperatures up to 54°C. The unit includes an IP55-rated terminal box and a factory-set adjustable polypropylene impeller for durability and ease of service. Speed control is possible via transformer or inverter, making it adaptable to different ventilation needs. Suitable for environments with relative humidity up to 95%, the fan is manufactured in line with BS EN ISO 9001:2015 standards and performance tested to BS 848 Parts 1 & 2 and ISO 5801. Supported by a 2‑year guarantee, the LCA311220 provides dependable, long-lasting performance for demanding commercial applications.