Figure 5-5. Ups System Oneline (Dual Input) - Eaton 93E UPS Installation And Operation Manual

AC Input to
UPS Rectifier
4 Wire A-B-C
Bypass 4 Wire
Rotation
A-B-C Rotation
A
L1, L2,
L3, N
Input Switch
NOTE Callout letters A,B,C, and D map to Table 3-5.

Figure 5-5. UPS System Oneline (Dual Input)

AC Input to
B
L1, L2,
L3, N
(Optional)
Backfeed Contactor
Bypass Input Switch
(Optional Dual Input)
(OPTIONAL)
INTERNAL BATTERY
Fuse
disconnector
Eaton 93E UPS (15-80 kVA, 380/400/415V) Installation and Operation Manual
Pull Chain
Remote EPO
Interface Board
Static
Switch
Fuse
Input
relay
Rectifier
Inverter
Output
relay
Fuse
Output Switch
Battery
relay
Battery Contactor
C
Battery
Breaker
EXTERNAL BATTERY
CABINET
Understanding UPS Operation
Parallel CAN
Mini-Slot
Interface
MBS
L1, L2,
L3, N
AC Output to
Critical Load
D
UPS
CABINET
5-7