The LB Fans Long Cased Axial Fan LCA1253430 is built for efficient and reliable commercial ventilation, featuring a three-phase 4‑pole motor with a 30° pitch. The motor is IP55 protected and Class F insulated, capable of operating safely in ambient temperatures up to 54°C. Most models are speed controllable via transformer or inverter, offering flexible airflow control. The fan comes with an IP55-rated terminal box and a factory-set polypropylene impeller that is fully adjustable. Suitable for environments with relative humidity levels up to 95%, this unit is manufactured in line with BS EN ISO 9001:2015 standards, with performance tested to BS 848 Parts 1 & 2 and ISO 5801. Each fan is supplied with a 2‑year guarantee, ensuring long-term reliability and durability.