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MI 3152(H)
Eurotest
XC (2,5 kV)
Auto tests
131
8.2
AUTO TN (RCD) – Auto test sequence for TN earthing
system with RCD
Tests / measurements implemented in AUTO TN (RCD) sequence
Voltage
Z line
Voltage Drop
Zs rcd
Rpe rcd
Figure 8.6: AUTO TN (RCD) menu
Measurement parameters / limits
Fuse type
Selection of fuse type
[gG, NV, B, C, D, K]
Fuse I
Rated current of selected fuse
Fuse t
Maximum breaking time of selected fuse
Limit(dU)
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
See Appendix A for reference fuse data.
Connection diagram
Figure 8.7: AUTO TN (RCD) measurement