The Elta SDA630/4 – 1EC is a high-performance 630mm short cased axial flow fan from the Raptor series, equipped with an energy-efficient EC motor and operating on single-phase power. This fan delivers air volume flow rates up to 4.60 m³/s and can handle static pressures up to 290 Pa, making it ideal for demanding ventilation applications. Designed to function in environments with temperatures reaching +70°C, the SDA630/4 – 1EC is suitable for use in commercial and industrial systems. As part of an 8‑size range, it combines compact design with efficient air movement and full speed controllability.