The LB Fans LCA453440 long cased axial fan delivers reliable and efficient ventilation for commercial applications. Equipped with a three-phase, 4‑pole motor featuring IP55 protection and Class ‘F’ insulation, it offers durable performance under demanding conditions. Its 450mm polypropylene impeller is factory set to a 40° blade pitch for optimized airflow. Designed for ambient temperatures up to 54˚C and relative humidity levels up to 95% R.H, this fan ensures consistent operation in a variety of environments. Most models allow speed adjustment via transformer or inverter, providing flexible ventilation control. Manufactured to BS EN ISO 9001:2015 standards and tested to BS 848 parts 1, 2 and ISO 5801, the LCA453440 meets high-quality and compliance requirements. Complete with an IP55 terminal box and backed by a 2‑year warranty, it is a dependable solution for commercial ventilation needs.