7SD8711-2DA10-0AA0 SIEMENS

The 7SD8711-2DA10-0AA0 from Siemens is a line differential protection relay designed for surface-integrated housing, ensuring a compact and efficient installation. It features a large display for easy monitoring and configuration of protection parameters. This relay supports a wide range of DC auxiliary power from 60 V to 250 V, as well as AC auxiliary power from 100 V to 230 V, providing flexibility in various substation environments. Equipped with 11 binary inputs (BI) and 9 binary outputs (BO), it offers extensive control and signaling capabilities. The relay also includes 4 voltage inputs (V) and 4 current inputs (Ip) for comprehensive line monitoring. It comes with a 5-year warranty, ensuring long-term reliability and peace of mind. The base function points cover essential protection features, while a significant feature is its two-end operation capability, enhancing protection coordination for transmission lines. This advanced functionality enables precise and reliable fault detection and isolation, improving overall system stability and performance.