The Elta SDA450/4 – 1EC is a short cased mounted axial flow fan with a 450mm impeller, featuring a 4 pole, 1 phase electronically commutated (EC) motor. This model is part of the Raptor range, offered in eight standard sizes from 250mm to 630mm. It achieves air volume flow rates of up to 4.60 m³/s and static pressures up to 290 Pa. Designed to operate in environments up to +70°C, the SDA450/4 – 1EC combines energy-efficient EC motor technology with robust performance, making it ideal for industrial and commercial ventilation applications.