The Elta SQU82/500 – 4‑3 is a high-capacity centrifugal box fan from the Qube range, designed for efficient ventilation in larger commercial and industrial environments. With an 820mm box size and a 4‑pole, 3‑phase AC motor, this unit ensures reliable performance in demanding airflow applications. Its modular design features interchangeable double-skinned panels and painted aluminium corners, allowing for easy configuration with either straight-through or 90° outlet airflow. Engineered for ambient airstreams up to 50°C (or 40°C when using 3‑phase EC motors), the SQU82/500 – 4‑3 combines robust construction with installation versatility. Available in both AC and EC motor options to meet varied system requirements.