Rectifier MCSU-4 - Page 31

Installation, Operation and Technical Manual Rectifier Technologies
158-1872-01 27 19-Feb-14
CT1
CT2
CT3
AC1
N
AC2
N
AC3
N
AC3
To SMR Inputs
MMIB2
Note: In 220V
ph-ph
systems if Neutral not
supplied, connect AC1-
AC2 to X2 input; AC2-
AC3 to X120 input and
AC3-AC1 to X217 input
X2
X120
X217
16-way
ribbon
cable to
MiniCSU
X185
AC2
AC1
AC1, AC2, AC3 from
AC
Dist. Module
Figure 4.7. Three Phase AC monitoring unit MMIB2 block diagram