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
6-17
Input Breaker
(CB1)
(optional)
X-Slot
Interface
E1, E2, E3
48V Battery
Shunt Trip
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
E4, E5
Battery
Converter
Inverter
Output
Contactor
(K3)
Fuse
Rectifier
Input
Contactor
(K1)
Battery Contactor (K2)
Fuse
Fuse
Fuse
FI-UPM CABINET
A
C
D
Battery
Breaker
Battery
Breaker
BATTERY SYSTEM
(Not supplied with the UPS)
BATTERY SYSTEM
(Not supplied with the UPS)
C
E4, E5
NOTE
Callout letters
A
,
C
, and
D
Figure 6‐12. One UPM, Common Rectifier Feed, Separate Battery, IOM Configuration, FI-UPM