MI 3152(H)
Eurotest
XC (2,5 kV)
Tests and measurements
151
7.26
AUTO TN (RCD) – Auto test for TN earthing system
with RCD
Tests / measurements implemented in AUTO TN (RCD)
Voltage
Z line
Voltage Drop
Zs rcd
Rpe rcd
Figure 7.87: AUTO TN (RCD) menu
Measurement parameters / limits
Fuse type
Selection of fuse type
[Off, gG, NV, B, C, D, K, Custom]
Fuse I
Rated current of selected fuse
Fuse t
Maximum breaking time of selected fuse
I (
U)
1)
Rated current for
U measurement (custom value)
Isc factor
Isc factor
[0.20 ... 3.00]
I test
Test current
[Standard, Low]
Limit(ΔU)
Maximum voltage drop
[3.0 % ... 9.0 %]
Limit (Rpe)
Max. resistance
[Off, 0.1
... 20.0
]
Ia(Ipsc (LN), Ipsc (LPE)) Minimum short circuit current for selected fuse or custom
value
1)
Applicable if Fuse type is set to Off or Custom.
Refer to
Fuse tables guide
for detailed information on fuse data.
Connection diagram
Figure 7.88: AUTO TN (RCD) measurement
