The Elta SQU82/630-EC‑3 is a high-capacity centrifugal box fan from the Qube series, engineered for effective airflow in large commercial and industrial ventilation systems. Featuring an 820mm box size and a 630mm fan powered by a 3‑phase EC motor, this model delivers energy-efficient performance with variable speed control. Designed for flexible installation, it includes interchangeable double-skinned panels and painted aluminium corners, allowing for straight-through airflow or 90° outlet configuration. Suitable for ambient airstream temperatures up to 40°C with EC motors (or 50°C with AC variants), the SQU82/630-EC‑3 is a reliable and adaptable solution for demanding ventilation requirements.