The Cooper Power Systems UI0240191431A11 Surge Arrester, also identified as UI024A Ultrasil VARISTAR SURGE ARRESTER, is a high‑voltage surge protection device rated for 24KV and 50–60 Hz. It protects electrical equipment in distribution and substation circuits from transient overvoltages caused by lightning and switching events. Typical applications include high‑voltage distribution feeders and substation protection where reliable surge suppression at 24KV is required.
