SECO NDARY TESTING O F PROTECTIO N R ELAYS
ESSAILEC TEST BLO CKS
1VLG5000 17 C
65
ESSAILEC® Trip or Polarity range test block
The test block allows the testing without circuit breaker tripping.
Testing procedure
Step 1/5
Remove the lid from ESSAILEC
®
Trip / Polarity test socket and insert the test plug. The test
plug disconnects tripping signal from a protection relay.
Figure 101: ESSAILEC
®
Trip test block – Testing
Step 2/5
Remove the lids from ESSAILEC
®
RJ45 test sockets for all three phases and insert the test
plugs
Figure 102: ESSAILEC
®
RJ45 test block – Testing
Summary of Contents for UniGear Digital
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