The Siemens 7UT82 is a numerical protection relay family used primarily for transformer differential protection and associated transformer supervision functions. It provides fast, selective protection, flexible setting groups, high measurement accuracy, and comprehensive communication and diagnostic features typical of modern IEC/ANSI multi-function transformer protection devices.
It is important to download the manual corresponding to the Firmware Version of your specific relay. Siemens 7ut82 Relay Manual Pdf
This section outlines the safety symbols used throughout the document and provides a general overview of the relay’s application scope (two-winding transformers, three-winding transformers, etc.). The Siemens 7UT82 is a numerical protection relay