Essailec Test Blocks; Figure 99: Essailec Rj45 Test Block (The Plug, The Lid And The Socket) - ABB UniGear Digital Commissioning And Testing Manual

ES SA I L EC T EST B LO C KS
6.1

ESSAILEC test blocks

®
ESSAILEC test blocks are used for efficient testing of protection and control relay during
regular maintenance. The test blocks are flush mounting type on the low voltage compart-
ment door. The testing of protection and control relay's sensor inputs is possible without
opening the low voltage compartment door.
ESSAILEC® RJ45 test block
A test block is used for efficient testing of a protection and control relay with sensor inputs.
Vertical layout for the test block is recommended. One test block is intended for one phase
and it consists of a plug, a lid and a socket.
Figure 99: ESSAILEC
The socket is covered during Normal operation with the lid. For testing, the lid is removed
and replaced with the test plug.
Figure 100: Low Voltage Compartment door of UniGear panel with ESSAILEC
blocks
6 4
® RJ45 test block (the plug, the lid and the socket)
SE CO NDAR Y T ES T ING O F PR OT E CT IO N R E LAYS
®
RJ45 test
1 VLG 5000 17 C