17
UMG 104
Fig.17.1 Block diagram, UMG104 in IT system
without N.
Fig.17.2 Block diagram, UMG104 in IT system
with N.
400V 50/60Hz
DC
AC/DC
L2
L3
Auxiliary power
Voltage measurement
4M
4M
4M
4M
L1
L3
L2
4M
L4
Earthing the
system
Impedance
L1
UMG104
N
230/400V 50/60Hz
UMG104
Earthing the
system
DC
AC/DC
L2
L3
N
L1
Auxiliary power
4M
4M
4M
4M
L1
L3
L2
N
4M
L4
Impedance
Voltage measurement
Summary of Contents for UMG 104
Page 69: ...69 UMG 104...
Page 78: ...78 UMG 104 Dimensioned drawings Front view Side view...