The LB Fans LCA403222 is a durable long cased axial fan, purpose-built for reliable airflow in commercial ventilation systems. This model features a three-phase, 2‑pole motor with Class ‘F’ insulation and IP55 protection, ensuring long-lasting performance in demanding environments. Capable of operating at ambient temperatures up to 54˚C, the fan supports speed control via transformer or inverter for flexible system integration. Its factory-set polypropylene impeller, angled at 22°, provides efficient and consistent air movement. The IP55-rated terminal box adds extra resilience and operational safety. Suitable for use in environments with up to 95% relative humidity, the LCA403222 is manufactured to BS EN ISO 9001:2015 standards and performance tested in line with BS 848 parts 1, 2, and ISO 5801. Supplied with a 2‑year guarantee, this fan delivers a dependable and effective solution for a wide range of commercial ventilation applications.