5-7
AC Input to
UPS Rectifier
4 Wire A-B-C
Rotation
L1, L2,
L3, N
Input Switch
Bypass Input Switch
(Optional Dual Input)
Static
Switch
Input
relay
Output
relay
(Optional)
Backfeed Contactor
Output Switch
MBS
AC Output to
Critical Load
Battery
relay
Rectifier
Inverter
L1, L2,
L3, N
Pull Chain
Parallel CAN
Mini-Slot
Interface
Remote EPO
Fuse
Fuse
Battery reay
Battery
Breaker
Interface Board
L1, L2,
L3, N
AC Input to
Bypass 4 Wire
A-B-C Rotation
A
B
D
C
UPS
CABINET
(OPTIONAL)
INTERNAL
BATTERY
NOTE
Callout letters
A,B,C,
and
D
map to Table 3-5.
Figure 5-5. UPS System Oneline (Dual Input)
EXTERNAL BATTERY
CABINET
Fuse
disconnector
Содержание VFI 20000-40000TAP 3/3 BI
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