The Elta SLC630/4B-3AC long cased axial flow fan is engineered for robust and efficient air movement in demanding commercial and industrial applications. Featuring a 630mm impeller and a 4‑pole, 3‑phase AC motor, this model offers impressive airflow capacities of up to 19.63 m³/s with static pressures reaching 994 Pa. Built for duct-mounted installations, it supports operation in environments up to +60°C (or +40°C when speed controlled). The cylindrical casing allows for streamlined inline integration, while motor options include energy-efficient AC and IE5 EC variants, ensuring adaptability to varied ventilation system requirements.