The LB Fans Long Cased Axial Fan LCA253445 is designed for reliable commercial ventilation, featuring a three-phase 4‑pole motor with a 45° pitch. The motor is IP55 protected and Class F insulated, allowing dependable operation in ambient temperatures up to 54°C. Most models are speed controllable via transformer or inverter, offering flexible airflow management. The fan includes 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 is tested to BS 848 Parts 1 & 2 and ISO 5801. Each fan comes with a 2‑year guarantee, ensuring long-lasting and dependable operation.