Page 14 - Essailec Test Blocks
P. 14

Current and voltage sensors application
          Make before break test principle - With ESSAILEC  RJ45 test plug
                                                                     ®


          Applications
          • Injection
          • Equipment replacement




          1. Normal service                                                2. Lid removal













  2



                    ®
          1.1 ESSAILEC  RJ45 sockets have   1.2 The lid is installed on the   The lid is removed.
          a shielded body. The 3 sockets are   socket and can be sealed to pre-
          required to cover the testing opera-  vent unauthorized access.
          tion on the 3 main lines (L1, L2, L3).  The socket circuits are closed
                                          and signals flow from current and
                                          voltage sensors to protection relay.





                                                                                                          2

                                                                                                          Lid
                                                                                                       removed










                                                                                                      1
          4.2 Test phase: Injection
                                                                                                    Normal
                                                                                                    service















          The RJ45 plug allows to perform injection. Plug a RJ45 connector on to the ESSAILEC  RJ45
                                                                           ®
          plug to test the protection relay through the integrated RJ45 input.




          INDUSTRIAL /// ENTRELEC - ESSAILEC  TEST BLOCKS
                                      ®
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