Eaton 93E MK2 - Figure 5-5. UPS System One Line (Dual Input)

AC Input to
UPS Rectifier
4 Wire A-B-C
Rotation
AC Input to
Bypass 4 Wire
A-B-C Rotation
Pull Chain
Parallel CAN
Mini-Slot
A B
Remote EPO
Interface
L1, L2,
L3,
N
L1, L2,
L3,
N
Interface Board
(Optional)
Backfeed Contactor
Input Switch
Bypass Input Switch
(Optional Dual Input)
Static
Switch
Fuse
Input
relay
Rectifier
Inverter
MBS
Battery
relay
Output
relay
Fuse
Output Switch
L1, L2,
L3,
N
AC Output to
D
Critical Load
(OPTIONAL)
INTERNAL BA TTER Y
Battery relay
Fuse
disconnector
UPS
CABINET
C
Battery
Breaker
EXTERNAL BA TTER Y
CABINET
Figure 5-5. UPS System One line (Dual Input)
NOTE
Callout
letters
A,B,C,
and
D
map
to
T
able
3
-
5
46
Eaton 93E MK2 UPS (10-40kVA, 380/400/415V) Installation and Operation