The Elta SDA500/4 – 3EC is a short cased mounted axial flow fan featuring a 500mm impeller and a 4 pole 3‑phase electronically commutated (EC) motor designed for high efficiency and reliability. Part of the Raptor series, this model is available in eight sizes ranging from 250mm to 630mm. It provides air volume flow rates up to 4.60 m³/s with static pressures reaching 290 Pa, making it suitable for a variety of ventilation applications. The fan is rated for continuous operation in ambient temperatures up to +70°C. With its energy-efficient EC motor and robust design, the SDA500/4 – 3EC is ideal for industrial and commercial ventilation systems.