The Elta SPA500/4 – 3EC is an energy-efficient axial flow fan from the Raptor series, designed for plate-mounted installations in commercial and industrial settings. Featuring a 500mm impeller and a 4‑pole, 3‑phase EC motor, this fan delivers powerful airflow with reduced energy consumption. It is part of a range that includes nine standard sizes from 250mm to 710mm. The unit provides airflow rates up to 6.27 m³/s and can manage static pressures up to 298 Pa. Designed to operate at temperatures up to +70°C, the SPA500/4 – 3EC is suitable for ventilation systems that demand both high performance and energy efficiency.