The LB Fans Long Cased Axial Fan LCA311210 is a high-performance ventilation solution built for commercial applications. This single-phase 2‑pole fan with a 10° pitch provides efficient airflow while maintaining durability in demanding environments. Its motor is IP55 protected and Class F insulated, allowing operation in ambient temperatures up to 54°C. Most models are compatible with transformer or inverter control, enabling variable speed adjustment. The unit includes an IP55-rated terminal box and a factory-set polypropylene impeller that can be adjusted as required. Designed for use in areas with relative humidity levels up to 95%, the fan is manufactured under BS EN ISO 9001:2015 standards and performance tested to BS 848 Parts 1 & 2 and ISO 5801. Backed by a 2‑year guarantee, this fan ensures long-lasting, reliable operation for commercial ventilation systems.