Figure 19 shows the general test connection principle, which can be used during
testing. This description describes the test of the version intended for one bay.
Figure 20 shows the general test connection for a 1½ breaker diameter with one-phase
voltage connected to the line side.
Test
equipment
UMeasure
Ph/N
Ph/Ph
en08000027.vsd
U-Bus
U-Line
N
IED
U-Bus
N
UL1
UL2
UL3
N
Input Phase
L1,L2,L3
L12,L23,L31
IEC08000027 V1 EN
Figure 19: General test connection with three-phase voltage connected to the
line side
1MRK 502 049-UEN A Section 6
Testing functionality
99
Commissioning manual
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