MPI-506 – USER MANUAL
RMS leakage current during the RCD tripping time measurement
Multiplication factor setting
R
E
- protective conductor resistance for RCD
Selected RCD
rated current
Measurement of touch voltage U
B
refererd to rated residual current
Measurement range according to IEC 61557: 10…50 V
RCD I
A
tripping current measurement for sinusoidal residual current
Measurement range according to IEC 61557: (0.3…1.0)I
Δn
Selected RCD
rated current
It is possible to start the measurement from positive or negative half-period of forced residual current
Test current flow time ............................................................................................... max. 3200 ms
RCD I
A
tripping current measurement for unidirectional pulsating residual current
Measurement range according to IEC 61557: (0.4…1.4)I
n
for I
n
≥30 mA and (0.4…2)I
n
for
I
n
=10 mA
Selected RCD
rated current
It is possible to start the measurement from positive or negative half-period of forced residual current
Test current flow time ............................................................................................... max. 3200 ms