Benning IT 110 - Page 77

77
Contact voltage limiting value 25 V or 50 V
The contact voltage is calculated relating to I
∆N
(standard) or 2 × I
∆N
(selective).
For the contact voltage, the fault loop resistance is calculated as follows:
N
C
L
I
U
R
∆
=
Tripping time
TheentiremeasuringrangecomplieswiththerequirementsspeciedinEN61557-6.Thespecied
accuracies apply to the entire operating range.
Standard FI/RCD (undelayed)
Measuring range (ms) Resolution (ms) Accuracy
0 ÷ 300 (½ × I
∆N
, I
∆N
) 1
± 3 ms0 ÷ 150 (2 × I
∆N
) 1
0 ÷ 40 (5 × I
∆N
) 1
Selective FI/RCD (delayed)
Measuring range (ms) Resolution (ms) Accuracy
0 ÷ 500 (½ × I
∆N
, I
∆N
) 1
± 3 ms0 ÷ 200 (2 × I
∆N
) 1
0 ÷ 150 (5 × I
∆N
) 1
Testing current ½ × I
∆N
, I
∆N
, 2 × I
∆N
, 5 × I
∆N
5 × I
∆N
does not apply to I
∆N
≥100mA(FI/RCDoftypesAC,A)
2 × I
∆N
does not apply to I
∆N
≥500mA(FI/RCDoftypeAC)orI
∆N
≥300mA(FI/RCDoftypeA)
1 × I
∆N
does not apply to I
∆N
≥1000mA(FI/RCDoftypeAC)orI
∆N
≥500mA(FI/RCDoftypeA)
Tripping current
Tripping current (I
∆N
= 10 mA)
ThemeasuringrangecomplieswiththerequirementsspeciedinEN61557-6.Thespeciedaccu-
racies apply to the entire operating range.
Measuring range I
∆
Resolution I
∆
Accuracy
0.2 × I
∆N
÷ 1.1 × I
∆N
(AC type) 0.05 × I
∆N
± 0.1 × I
∆N
0.2 × I
∆N
÷ 2.2 × I
∆N
(A type) 0.05 × I
∆N
± 0.1 × I
∆N
Tripping current (I
∆N
≥30mA)
Der Messbereich entspricht den Anforderungen von EN61557-6. Die angegebenen Genauigkeiten
geltenfürdengesamtenBetriebsbereich.
Measuring range I
∆
Resolution I
∆
Accuracy
0.2 × I
∆N
÷ 1.1 × I
∆N
(AC type) 0.05 × I
∆N
± 0.1 × I
∆N
0.2 × I
∆N
÷ 1.5 × I
∆N
(A type, I
∆N
≥30mA) 0.05 × I
∆N
± 0.1 × I
∆N
Tripping time
Measuring range (ms) Resolution (ms) Accuracy
0 ÷ 300 1 ± 3 ms