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UNDERSTANDING UPS OPERATION
Eaton
Power Xpert 9395P UPS (300 kVA, 300 kW) Installation and Operation Manual
S
P-164000563 Rev 1
www.eaton.com/powerquality
6-12
Input Breaker
(CB1)
(optional)
X-Slot
Interface
E1, E2, E3
E6, E7, E8
48V Battery
Shunt Trip
UPS
CABINET
Backfeed
Contactor (K5)
AC Output to
Critical Load
E9, E10, E11
Static
Switch
AC Input to
UPS Rectifier
3 Wire A-B-C
Rotation
AC Input to
Bypass
3 Wire A-B-C
Rotation
Interface Board
Battery Aux
Remote EPO
Building Alarms
Alarm Relays
Fuse
Battery
Converter
Inverter
Output
Contactor
(K3)
Fuse
Rectifier
Input
Contactor
(K1)
Battery Contactor (K2)
Fuse
Fuse
Fuse
Battery
Breaker
BATTERY CABINET
or BATTERY STRING
E4, E5
Battery
Converter
Inverter
Output
Contactor
(K3)
Fuse
Rectifier
Input
Contactor
(K1)
Battery Contactor (K2)
Fuse
Fuse
Fuse
UPM 1
Battery
Breaker
BATTERY CABINET
or BATTERY STRING
E4, E5
(Not supplied with the UPS)
(Not supplied with the UPS)
Single-Feed Kit
(Not supplied
with the UPS)
FI-UPM
A
B
C
D
C
NOTE
Callout letters
A
,
B
,
C
, and
D
map to Table 3‐5 on page 3-9 .
Figure 6‐7. One UPM, Common Rectifier Feed, Separate Battery, Dual‐Feed Configuration, Continuous Static Switch, FI-UPM