Figure 5-7. Ups System Oneline - Internal And External Batteries - Eaton 9E Generation 3 Installation And Operation Manual

Parallel CAN
Pull Chain
Mini-Slot
Remote EPO
Interface
Interface Board
Battery Breaker
NOTE Callout letters A, B, C, and D map to Table 3-5.
Figure 5-7. UPS System Oneline – Internal and External Batteries
Eaton 9E UPS (20–30 kVA, 208/220V) Generation 3 Installation and Operation Manual P-164000301—Rev 1
AC Input to
UPS Rectifier
4 Wire A-B-C
Rotation
A
L1, L2, L3, N
Internal Single-Feed
Input Breaker
Jumper
Fuse
Rectifier
Switchgear
Rectifier
Inverter
Inverter
Switchgear
Fuse
Battery
Converter
Battery
Switchgear
Fuses
UPM 1
Internal Battery
Understanding UPS Operation
AC Input to
Bypass 4 Wire
A-B-C Rotation
(optional)
B
L1, L2, L3, N
Bypass
Switchgear
Static
Switch
AC Output to
D
Critical Load
L1, L2,
L3, N
External
C
Battery Input
Battery
Breaker
EXTERNAL BATTERY
CABINET
UPS CABINET
(Not supplied with the UPS)
www.eaton.com/powerquality 5-9