Eaton 93E Series - Page 74

62 Eaton 93E UPS (20–30 kVA, 208/220V) Installation and Operation Manual 164000301—Rev 04
Figure 35. UPS System Oneline – 93E–20 Internal Battery (No External Battery Capability)
AC Input to
UPS Rectifier
4 Wire A-B-C
Rotation
AC Input to
Bypass 4 Wire
A-B-C Rotation
(optional)
L1, L2, L3, N
Bypass
Switchgear
Static
Switch
Internal Battery
UPS CABINET
L1, L2,
L3, N
AC Output to
Critical Load
A B
D
Interface
Board
Mini-Slot
Interface
Pull Chain Parallel CAN
Remote EPO
L1, L2, L3,
N (single-feed only)
Input Breaker
Internal Single-Feed
Jumper
Battery
Converter
UPM 1
Fuses
Battery
Switchgear
Rectifier
Fuse
Fuse
Rectifier
Switchgear
Inverter
Inverter
Switchgear
UPS System Oneline Configurations