MI 3101 EurotestAT: Appendix E
Reduced low voltage supply systems
114
Trip out time
Complete measurement range corresponds to EN 61557 requirements.
Maximum measuring times set according to selected reference for RCD testing.
Measuring range (ms)
Resolution (ms)
Accuracy
0.0
40.0
0.1
1 ms
0.0
max. time *
0.1
3 ms
* For max. time see normative references in
4.4.2
– this specification applies to max. time >40 ms.
Test current....................................... ½
I
N
, I
N
, 2
I
N
, 5
I
N
5
I
N
is not applicable for I
N
100 mA (RCD types AC,A).
2
I
N
is not applicable for I
N
500 mA (RCD type AC) or I
N
300 mA (RCD type A).
I
N
is not applicable for I
N
=1000 mA (RCD type AC) or I
N
500 mA (RCD type A).
Trip-out current
Trip-out current
Complete measurement range corresponds to EN 61557 requirements.
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
0.2
I
N
2.2
I
N
(A type, I
N
<30 mA)
0.05
I
N
0.1
I
N
Trip-out time
Measuring range (ms)
Resolution (ms)
Accuracy
0
300
1
3 ms
Contact voltage
Measuring range (V)
Resolution (V)
Accuracy
0.0
19.9
0.1
(-0 % / +15 %) of reading
10 digits
20.0
99.9
0.1
(-0 % / +15 %) of reading
*The accuracy is valid if mains voltage is stabile during the measurement and PE terminal
is free of interfering voltages.
I
N
is not applicable for I
N
=1000 mA (RCD type AC) or I
N
500 mA (RCD type A).
U
CI
voltage is calculated to tripping current I
.
