The LB Fans Long Cased Axial Fan LCA1003414 is designed for heavy-duty commercial ventilation, incorporating a three-phase 4‑pole motor with a 14° pitch. The motor is IP55 protected and built with Class F insulation, ensuring reliable performance in ambient temperatures up to 54°C. Most models within this range are speed controllable using either a transformer or inverter. The unit is equipped with an IP55-rated terminal box and a factory-set polypropylene impeller, which can be adjusted as required. Suitable for environments with relative humidity levels up to 95%, the fan is manufactured in accordance with BS EN ISO 9001:2015 standards. Performance is independently tested to BS 848 Parts 1 & 2 and ISO 5801. Each unit is backed by a 2‑year guarantee for long-term reliability.