The LB Fans Long Cased Axial Fan LCA253430 is designed for compact commercial ventilation, featuring a three-phase 4‑pole motor with a 30° pitch. The motor is IP55 protected and Class F insulated, ensuring reliable operation in ambient temperatures up to 54°C. Most models are speed controllable via transformer or inverter, providing flexible airflow management. The fan comes with an IP55-rated terminal box and a polypropylene impeller that is factory set but fully adjustable. Suitable for environments with relative humidity levels up to 95%, this unit is manufactured in accordance with BS EN ISO 9001:2015 standards. Performance testing is carried out to BS 848 Parts 1 & 2 and ISO 5801. Each model includes a 2‑year guarantee for durable and dependable operation.