4 Technical Data
276
7ST6 Manual
E50417-G1176-C251-A3
4.6
Circuit Breaker Failure Protection (optional)
Circuit Breaker Monitoring
Current flow monitoring
For I
N
= 1 A 0.05 A to 20.00 A
Increments 0.01 A
For I
N
= 5 A 0.25 A to 100.00 A
Dropout to pickup ratio
Approx. 0.95
Tolerance
For I
N
= 1 A 5 % of the set value or 0.01 A
For I
N
= 5 A 5 % of the set value or 0.05 A
Pickup time
Approx. 1/4 cycle with measured
values present
Dropout time
<= 3/4 cycle with sinusoidal mea-
sured values
<= 1 1/4 cycles max.
Delay times
0.10 s to 10.00 s;
∞
Increments 0.01 s
Tolerance
1 % of setting value or 10 ms
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