The Elta SMB400/4 – 3AC is a 400mm mixed flow box fan engineered for robust ventilation needs. Equipped with a 4‑pole, three-phase AC motor, this multiflow fan offers airflow rates up to 4.07 m³/s and static pressures reaching 796 Pa. It is designed to operate efficiently in environments with temperatures up to +60°C. With its versatile performance and reliable construction, the SMB400/4 – 3AC is suitable for air handling applications requiring consistent airflow and pressure control.