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7UT87 - Transformer differential protection
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Multiple winding transformers, 5 sides, 7 measurement points. Differential protection for three winding transformers for all voltage levels. Up to 2 differential protection with add-onstabilizations (in different function group transformer); Up to 5 differential ground-fault protection functions. For autotransformer applications two differential protection functions in a function group autotransformer can be used. <h4>Useful measuring point</h4> <ul> <li>7 three-pole current measuring points</li> <li>5 one-pole current measuring points</li> <li>3 three-pole voltage measuring points</li> </ul> <h4>Inputs and outputs</h4> 2 predefined standard variants with 20 current transformers, 4 voltage transformers, 15 to 27 binary inputs, 2 to 38 binary outputs. Flexible adaptable and expandable I/O-quantity structure within the scope of the modular SIPROTEC 5-building blocks. This product require detailed specification. Please use <a class="configurator" href="">SIEMENS Configurator</a>.

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