KT TESTER
5
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4.2.2 Test connection with the circuit breaker
When testing the circuit breaker, connect the test terminal of KT TESTER to the
programming test port of the trip unit, and pay attention to the direction of the test terminal.
Connect the "4 and 5" cables of KT TESTER to the "4 and 5" of the secondary terminal of the
circuit breaker for detecting the tripping time (It can be disconnected without measuring the
tripping time).
4.3 Operating steps
NO.
Steps
Diagrams
1
Turn on the power and enter the default interface.
Note: 1) When there is no operation for a long time,
KT TESTER will automatically turn off the power
supply of the trip unit to avoid battery power loss.
and then press any key, KT TESTER will automatically
turn on.
2) KT TESTER will not turn off the power supply of
the trip unit during the test.
Figure4 Test port
Connect the socket boss
upward
Figure3 test terminal
Figure5 “4
，
5” cables
