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
6-14
E6, E7,
E8
UPS
CABINET
Backfeed
Contactor (K5)
AC Output to
Critical Load
E9, E10, E11
Static
Switch
Fuse
Battery
Converter
Inverter
Output
Contactor
(K3)
Fuse
Rectifier
Input
Contactor
(K1)
Battery Contactor (K2)
Fuse
Fuse
Fuse
UPM 1
Battery
Breaker
E4, E5
Battery
Converter
Inverter
Output
Contactor
(K3)
Fuse
Rectifier
Input
Contactor
(K1)
Battery Contactor (K2)
Fuse
Fuse
Fuse
UPM 2
Battery
Breaker
E4, E5
B
C
D
C
BATTERY SYSTEM
(Not supplied with the UPS)
BATTERY SYSTEM
(Not supplied with the UPS)
X-Slot
Interface
48V Battery
Shunt Trip
Interface Board
Battery Aux
Remote EPO
Building Alarms
Alarm Relays
NOTE
Callout letters
A
,
B
,
C
, and
D
map to Table 3‐5 on page 3-9 .
Input Breaker
(CB1)
(optional)
E1, E2, E3
AC Input to
UPS Rectifier
3 Wire A-B-C
Rotation
AC Input to
Bypass
3 Wire A-B-C
Rotation
A
(Not supplied
with the UPS)
Single-Feed Kit
Figure 6‐9
. Two UPM, Common Rectifier Feed, Separate Battery, Dual‐Feed Configuration, Continuous Static Switch