Eaton 93E - Figure 5-5. UPS System Oneline

Understanding UPS Operation
Eaton 93E UPS (300/400 kVA, 380/400/415V) Installation and Operation Manual 5-7
AC Input to
UPS Rectifier
4 Wire A-B-C
Rotation
L1, L2,
L3, N
(Optional)
Input Breaker
Internal Single-Feed
Jumper
Static
Switch
Input Contactor
Output
Contactor
(Optional)
Backfeed Contactor
AC Output to
Critical Load
Battery
Converter
Rectifier
Inverter
L1, L2,
L3, N
Pull Chain
REPO
Fuse
Fuse
Fuse
Battery Contactor
Battery
Breaker
Interface Board
L1, L2,
L3, N
AC Input to
Bypass 4 Wire
A-B-C Rotation
A B
D
C
UPS
CABINET
EXTERNAL BATTERY
CABINET
NOTE Callout letters A,B,C,and Dmap to Table 3-5.
Figure 5-5. UPS System Oneline