The Elta SSQUHT82/500 – 4‑3 is a high temperature centrifugal box fan featuring a 500mm size and a 4‑pole, 3‑phase AC motor. It is part of a product range available in box sizes of 500mm, 670mm, 820mm, and 1020mm. Designed for duct applications, this fan can operate reliably in temperatures up to +120°C. The unit is constructed with painted aluminium corners to enhance durability and includes interchangeable double-skinned panels for ease of maintenance and improved thermal insulation. This model offers dependable performance in demanding high-temperature environments.