MI 3101 EurotestAT: Appendix E
Reduced low voltage supply systems
113
E.4 Technical specifications
Only those technical specifications are listed below that are different to specifications from
chapter
8
of this document.
E.4.1 RCD
General
Nominal differential currents ......................10 mA, 30 mA, 100 mA, 300 mA, 500 mA, 1 A
Accuracy of actual differential currents: .....-0 / +0.1
I
for I
= I
N
, 2
I
N
, 5
I
N
-0.1
I
N
/ +0 for I
= 0.5
I
N
Maximum nominal differential currents ......1000 mA for I
N
for declared accuracy: ...............................500 mA for 2
I
N
100 mA for 5
I
N
Maximum test current: ...............................1 A (for Z-LOOP < 1
)
Test current shape.....................................sine wave (AC), pulsed (A)
DC offset for pulsed test current ................6 mA (typical)
RCD type ...................................................G (non-delayed), S (time-delayed)
Test current starting polarity ......................0 º or 180 º
Nominal input voltage ................................55 V / 63 V / 14 Hz
500 Hz
Test possibilities ........................................L1 - PE and L2 - PE
Contact voltage U
C
Measuring range according to EN61557 is 20.0 V
31.0 V (limit contact voltage 25 V).
Measuring range according to EN61557 is 20.0 V
62.0 V (limit contact voltage 50 V).
Measuring range (V)
Resolution (V)
Accuracy
0.0
19.9
(-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.
Test current................................................< 0.5 I
N
Limit contact voltage ..................................25 V or 50 V
Contact voltage is calculated to ................I
N
(standard type) or to 2I
N
(selective type).
