Emerson Liebert NX 50 and 60 Hz - Manual (Page 66)

External Optional Cabinets
54
Figure 38 Dual input external isolation transformer cabinet
Figure 39 Output external isolation transformer cabinet
4.4 Top Cable Entry Option
Optional Top Cable entry cabinets are available for every range of UPS.
Q1
Q3
Q5
X3
X1
CB
To Load
UPS
Input Mains Supply
3P
Supplied
by Others
Isolation Transformer Cabinets
QF2
Q2
3P
QF1
Maintenance
Bypass Supply
Input
Supply
N
Q1
Q3
Q5
X3
X1
CB
To Load
UPS
Input Mains
Supply
Supplied
by Others
Isolation Transformer Cabinets
Q2
Tout
QF5
4P