The Elta SSDL400-1EC‑R is a high-performance singleflow centrifugal box fan with a 400mm diameter, part of a versatile range available in eight sizes from 100mm to 500mm. This fan delivers air volume flow rates of up to 1.820 m³/s and can generate static pressures up to 910 Pa. It is designed to operate in environments with temperatures reaching up to +60°C and is fully suitable for external installations. Acoustic lining is included as standard to reduce noise emissions. The unit can be configured with options such as a terminal box and various spigot types. The SSDL400-1EC‑R model is equipped with an energy-efficient EC motor.