The Elta SQU50/350 – 4‑3 is a compact centrifugal box fan from the Qube series, built for effective ventilation in commercial and industrial environments. Featuring a 500mm box size and a 4‑pole, 3‑phase AC motor, this unit ensures consistent and dependable airflow. The Qube design includes interchangeable double-skinned panels and painted aluminium corners, providing installation flexibility with the option of straight-through or 90° outlet configurations. Capable of operating in ambient airstream temperatures up to 50°C (or 40°C with 3‑phase EC motors), the SQU50/350 – 4‑3 delivers durable and adaptable performance. Available in both AC and EC versions, it’s suited for a range of space-conscious ventilation applications.