The LB Fans LCA453418 long cased axial fan delivers high-performance airflow for commercial ventilation applications. This three-phase, 4‑pole fan features a 450mm adjustable polypropylene impeller with an 18° blade pitch for optimized efficiency. Its motor is protected to IP55, has Class ‘F’ insulation, and operates safely in ambient temperatures up to 54˚C, supporting relative humidity levels up to 95%. Most models offer speed control via transformer or inverter for flexible operation. An IP55 terminal box ensures secure electrical connections. Manufactured to BS EN ISO 9001:2015 and tested according to BS 848 parts 1, 2 and ISO 5801, this fan comes with a 2‑year guarantee for reliable, long-lasting performance.