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
6-18
Input Breaker
(CB1)
(optional)
X-Slot
Interface
E1, E2, E3
48V Battery
Shunt Trip
NOTE
Callout letters
A
,
C
, and
D
UPS
CABINET
AC Output to
Critical Load
E9, E10,
E11
AC Input to
UPS Rectifier
3 Wire A-B-C
Rotation
Interface Board
Battery Aux
Remote EPO
Building Alarms
Alarm Relays
Battery
Converter
Inverter
Output
Contactor
(K3)
Fuse
Rectifier
Input
Contactor
(K1)
Battery Contactor (K2)
Fuse
Fuse
Fuse
UPM 1
Battery
Breaker
BATTERY SYSTEM
E4, E5
Battery
Converter
Inverter
Output
Contactor
(K3)
Fuse
Rectifier
Input
Contactor
(K1)
Battery Contactor (K2)
Fuse
Fuse
Fuse
UPM 2
(Not supplied with the UPS)
A
C
D
Figure 6‐13. Two UPM, Common Rectifier Feed, Common Battery, IOM Configuration