The LB Fans Long Cased Axial Fan LCA1253432 is engineered for demanding commercial ventilation applications, featuring a three-phase 4‑pole motor with a 32° pitch. The motor is IP55 protected and Class F insulated, capable of reliable operation in ambient temperatures up to 54°C. Most models are speed controllable via transformer or inverter, allowing flexible airflow management. The fan includes an IP55-rated terminal box and a polypropylene impeller that is factory set but fully adjustable to suit system requirements. Designed for environments with relative humidity levels up to 95%, this unit is manufactured according to BS EN ISO 9001:2015 standards, with performance tested to BS 848 Parts 1 & 2 and ISO 5801. Each model comes with a 2‑year guarantee, ensuring long-term reliability and durability.