5-8
AC Input to
UPS Rectifier
4 Wire A-B-C
Rotation
L1, L2,
L3, N
Input Switch
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
Fuse
Fuse
disconnector
Battery reay
Battery
Breaker
Interface Board
A,B
D
C
UPS
CABINET
EXTERNAL BATTERY
CABINET
NOTE
Callout letters
A,B,C,
and
D
map to Table 3-5.
Figure 5-6. UPS System Oneline (Single Input)
(OPTIONAL)
INTERNAL
BATTERY
Содержание VFI 20000-40000TAP 3/3 BI
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