MPI-536 – USER MANUAL
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
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
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
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
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