Siemens 3UN2100-0AF7 Three-Phase Motor Protection Relay from Siemens is a dedicated device for protecting three‑phase motors in industrial electrical systems. It provides protective functions by monitoring electrical conditions and triggering actions when abnormal conditions are detected, helping prevent motor damage and unplanned downtime. As a Siemens part, the 3UN2100-0AF7 is intended for inclusion in motor protection schemes across power distribution and drive installations.
