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34006451EN/AC - Page 15
Installation
Example of 2 multi-bypass modular UPS cubicles for redundancy
Fig. 14
Q3BP
Q4S
+
-
+
-
QF1
Q1 Q5N
Q3BP
Q4S
+
-
+
-
QF1
Q1 Q5N
load
earth
mains 1
inverter 1
output
modular UPS cubicle 1
earth
battery cubicle
beside rectifier-
inverter cubicle 1
other battery
cubicles (if
applicable)
earth
mains 1
inverter 2
output
earth
battery cubicle
beside rectifier-
inverter cubicle 2
earth
other battery
cubicles (if
applicable)
earth
frames interconnection for earthing
static
switch
static
switch
frames interconnection for earthing
inverter 2
rectifier
charger
inverter 1
rectifier
charger
modular UPS cubicle 2
frames interconnection for earthing
mains 2
mains 2