The LB Fans Long Cased Axial Fan LCA1003428 is designed for powerful and efficient commercial ventilation, incorporating a three-phase 4‑pole motor with a 28° pitch. The motor is IP55 protected and Class F insulated, capable of operating in ambient temperatures up to 54°C. Most models within this range can be speed controlled using either a transformer or an inverter for adaptable airflow performance. The fan includes an IP55-rated terminal box and a polypropylene impeller that is factory set but adjustable to meet specific application needs. Suitable for use in environments with relative humidity up to 95%, this unit is manufactured in line with BS EN ISO 9001:2015 standards. Performance testing is carried out to BS 848 Parts 1 & 2 and ISO 5801. Each fan is supplied with a 2‑year guarantee, ensuring durability and dependable operation.