Thytronic NA11

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NA11 - Manual - 02 - 2009
TECHNICAL DATA
Breaker failure - BF
BF Phase current threshold (I
BF
>) 0.05...1.00 I
n
(step 0.01 I
n
)
BF Residual current threshold (I
EBF
>) 0.01...2.00 I
n
(step 0.01 I
En
)
BF Time delay(t
BF)
0.06...10.00 s (step 0.01 s)
Dropout ratio 0.95...0.98
Dropout time ≤ 0.05 s
Dropout time (I
BF
>) accuracy ± 4% ± 1% I
n
Dropout time (I
EBF
>) accuracy ± 4% ± 1% I
En
Operate time accuracy 5% or ± 10 ms
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