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In the atttached layout for a directional earth fault, it has 67N= 10A, 0.6 sec and in the same time it has 51N which is earh fault non directional as far as I know = 10A, 1sec.
In case there was a fault in the indicated direction which function will operate
:01s4: :01s4: :01s4: :01s4:
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