The LB Fans LCA453428 long cased axial fan delivers robust and efficient airflow, making it ideal for demanding commercial ventilation applications. This three-phase model features a reliable 4‑pole motor and a 450mm polypropylene impeller, factory set at a 28° blade pitch to optimise performance. Built with Class ‘F’ motor insulation and IP55 protection, the fan ensures reliable operation even in challenging environments. It includes an IP55-rated terminal box and is suitable for use in ambient temperatures up to 54˚C and relative humidity levels up to 95% R.H. Many units in this range are speed controllable via transformer or inverter, offering flexibility for varied ventilation requirements. Manufactured in line with BS EN ISO 9001:2015 standards and tested to BS 848 parts 1, 2 and ISO 5801, the LCA453428 combines quality assurance with a 2‑year guarantee for dependable long-term use.