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Benning IT 110 Manual

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12.3.4 Loop resistance and prospective fault current
ThedenitionofthenominalvoltageforcalculatingI
PFC
ismodiedasfollows:
- 55 V for selection of a single-phase center-tapped network,
- 63 V for selection of a three-phase network.
The test can be carried out for both combinations (L1-PE and L2-PE). For each individual test re-
sult, the corresponding indication is shown.
Nominal input voltages:
Nominal input voltage U
N
Voltage range
single-phase network, 55 V (44V≤U≤61V)
three-phase network, 63 V (56V≤U≤70V)
If the input voltage is outside this range, this is displayed on the online voltage / terminal monitor
together with the symbol.
12.4 Technical data
Here, only technical data are listed which differ from the data in chapter 9.
12.4.1 FI/RCD Testing
General data
Nominal fault current
10 mA, 30 mA, 100 mA, 300 mA, 500 mA, 1000 mA
Accuracy of the nominal fault current 0 / + 0.1 × I
∆
; I
∆
= I
∆N
. 2 × I
∆N
. 5 × I
∆N
- 0.1 I
∆
/ + 0; I
∆
= ½ × I
∆N
Maximum nominal differential current
forthespeciedaccuracy 1000mAfürI
∆N
500mAfür2× I
∆N
100mAfür5× I
∆N
Maximumtestingcurrent 1A(forZ-LOOP<1Ω)
Wave form of the testing current sine waves (AC), pulsating (A)
DC shift for pulsating testing current 6 mA (typical)
Type of FI/RCD standard (G, undelayed), selective (S, delayed)
Initial polarity of the testing current 0° or 180 °C
Nominal input voltage 55 V / 63 V (45 Hz ÷ 65 Hz)
Contact voltage
In compliance with EN61557-6, the measuring range for the limiting contact voltage of 25 V goes
from 3.0 V to 32.6 V.
In compliance with EN61557-6, the measuring range for the limiting contact voltage of 50 V goes
from 3.0 V to 66.0 V.
Measuring range (V) Resolution (V) Accuracy
0.0 - 9.9 0.1 (- 0 %/ + 15 % of reading + 2 digits)
10.0 - 99.9 0.1 (- 0 %/ + 15 % of reading)
Understandardconditions,theaccuracyshallapplyforoneyear.Thetemperaturecoefcientout-
side these limiting values is +1 digit.
Testing current max. 0.5 × I
∆N
… 76 …


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