supply of numerical bus-bar differential protection relay central unit -cu- for 400kv switchyard bus bar protection as per attached specifications, numerical bus-bar differential protection relay peripheral unit -pu- for 400kv switchyard bus bar protection as per attachjed specifications, installation, commissioning testing of relay - numerical bus bar differential protection relay<br><b> Qty 30</b></br>
Numerical Bus-bar Differential...
Relay Tenders