The LB Fans LCA453426 long cased axial fan is designed to provide efficient and reliable airflow for commercial ventilation systems. This three-phase unit is fitted with a durable 4‑pole motor and a 450mm polypropylene impeller, factory set at a 26° blade pitch for enhanced performance. The motor is protected to IP55 and built with Class ‘F’ insulation, ensuring long-lasting operation in demanding environments. The fan also features an IP55-rated terminal box and is suitable for use in ambient temperatures up to 54˚C and relative humidity levels of 95% R.H. Many models within this range are speed controllable via transformer or inverter for greater flexibility. Manufactured to BS EN ISO 9001:2015 and tested to BS 848 parts 1, 2 and ISO 5801, the LCA453426 is backed by a 2‑year guarantee, making it a dependable choice for commercial ventilation applications.