The LB Fans Long Cased Axial Fan LCA311438 delivers efficient commercial ventilation with a single-phase, 4‑pole design. Featuring a 315mm diameter and 38° blade angle, this fan ensures optimal airflow. The motor is Class F insulated, IP55 protected, and operates safely in ambient temperatures up to 54°C. It includes an IP55 terminal box and a factory-set polypropylene impeller. Speed can be adjusted via transformer or inverter for versatile performance. Designed for environments with up to 95% relative humidity, the LCA311438 is manufactured to BS EN ISO 9001:2015 standards and performance-tested to BS 848 Parts 1 & 2 and ISO 5801. It comes with a 2‑year guarantee for dependable operation.