This part is a 2-5700-IG1-P10-DD-000040 7A differential protection relay manufactured by ETA. The relay is designed to offer protection in industrial applications and it helps to detect current anomalies and prevent consequential damage due to overcurrent or short circuit currents. It is a comprehensive protection package that can be used in many industrial applications such as motor control centers, switchgears, transformers, and other power distribution systems. The relay consists of a series of standardized modules that feature LED display and LED monitoring features for uninterrupted monitoring. It also features various communication interfaces and protections, including transmission line protection, negative sequence protection, overcurrent protection, earth fault protection, and many others.