The Elta SSDL400-1EC is a singleflow centrifugal box fan with a 400mm diameter, designed for robust ventilation needs. It is one of eight standard sizes in the range, spanning from 100mm to 500mm. This model delivers airflows of up to 1.820 m³/s and can achieve static pressures as high as 910 Pa. Built to operate reliably at temperatures up to +60°C, it is also suitable for external installation. The unit comes acoustically insulated as standard to reduce operational noise. Additionally, it offers configuration options such as a terminal box and different spigot types. The SSDL400-1EC features energy-efficient EC motor technology.