
17
UMG 604
Fig.17.1 Block diagram, UMG604 in IT system
without N.
Fig.17.2 Block diagram, UMG604 in IT system
with N.
400V 50/60Hz
DC
AC/DC
L2
L3
4M
4M
4M
4M
L1
L3
L2
4M
L4
L1
UMG604
N
Auxiliary power
Voltage measurement
Earthing the
system
Impedance
230/400V 50/60Hz
UMG604
DC
AC/DC
L2
L3
N
L1
4M
4M
4M
4M
L1
L3
L2
N
4M
L4
Earthing the
system
Auxiliary power
Impedance
Voltage measurement
Summary of Contents for UMG 604
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