Sonel MPI-536 - Page 131

MPI-536 – USER MANUAL
129
Measurement of RCD disconnection current I
A
for sinusoidal differential current
Test range according to IEC 61557-6: (0.3...1.0)I
Δn
Selected nomi-
nal current
of
RCD
Test range
Resolution
Test
current
Accuracy
10 mA
3.0..10.0 mA
0.1 mA
0.3 x I
n
..1.0 x I
n
5% I
n
30 mA
9.0 .. 30.0 mA
100 mA
30..100 mA
1 mA
300 mA
90..300 mA
500 mA
150..500 mA
1000 mA
300..1000 mA
 it is possible to start the measurement from the positive of the negative half of forced leakage current
 test current duration............................... max. 8.8 s
Measurement of RCD disconnection current I
A
for differential unidirectional pulsed current and
unidirectional pulsed current with 6mA direct current offset
Test range according to IEC 61557-6: (0.35...1.4)I
n
for I
n
≥30 mA and (0.35...2)I
n
for I
n
=10 mA
Selected nomi-
nal current
of
RCD
Test range
Resolution
Test
current
Accuracy
10 mA
3.5..20.0 mA
0.1 mA
0.35 x I
n
..2.0 x I
n
10% I
n
30 mA
10.5..42.0 mA
0.35 x I
n
..1.4 x I
n
100 mA
35..140 mA
1 mA
300 mA
105..420 mA
500 mA
175..700 mA
 measurement may be performed for positive or negative half-periods of forced leakage current
 test current duration................................ max. 8.8 s
Measurement of RCD disconnection current I
A
for differential direct current
Test range according to IEC 61557-6: (0.2...2)I
n
Selected nom-
inal current
of RCD
Test range
Resolution
Current
Accuracy
6 mA
1)
1.0..6.0 mA
0.1 mA
1.0..6.0 mA
6% I
n
10 mA
2.0..20.0 mA
0.1 mA
0.2 x I
n
..2.0 x I
n
10% I
n
30 mA
6..60 mA
1 mA
100 mA
20..200 mA
300 mA
60..600 mA
500 mA
100..1000 mA
 measurement can be performed for positive or negative forced leakage current
 test current duration (does not apply to RCD EV and RCM) ........................................... max. 5.2 s
1)
test current duration (applies to RCD EV and RCM)
▪ acc. to IEC 62955................................................................................................................... 30 s
▪ acc. to IEC 62752................................................................................................................... 40 s