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11.6
Wire the Battery Cabinet to the UPS
1. Select the DC power cables per Table 11.2 /Table 11.3.
Switch the Battery Cabinet Circuit Breakers off before removing dead fronts.
Failure to switch breakers off may result in electric shock, burns, personal injuries or UPS failure.
2. Run the power cables from UPS power terminals TB1 (+) and (-) to 431B Cabinet power terminals (+)
and (-) per Figure 11.5 and 11.6.
3. Select the power cables per Table 11.2 /Table 11.3. Cable size for the 431B is determined by the full
load capacity of the UPS.
4. Run the power cables from UPS power terminals TB1 (+) and (-) to 431B Cabinet power terminals (+)
and (-) per Figure 11.5 and Figure 11.6.
Note: The UPS cable ends insert into power lugs, the 431B ends require a NEMA 2-hole connec-
tor to connect to the +/- bus terminals.
No. Component
1
Positive Terminal (+)
Bus Strip
2
Negative Terminal (-)
Bus Strip
3
Lexan Shield with
Cable Access
4
Ground Bus
5
Bottom Cable Access
Plate
6
Side Cable Access
Plate
UPS
Power
Input/
Output
Cables
Figure 11-6 - 431B DC and Breaker Cable Connections
4300 Series Ancillary Cabinets Installation and Operation Manual
WARNING
6
4
Figure 11-5 - 431B DC Bus Terminal Detail
4300 Series UPS
24V DC
J4
Supply
1 2 3 4
1 2 1 2
(PCB15)
P1
P2
TB1
AC IN
AC OUT
U V W
N
N
U V W
+
1
2
3
5
431B
TB3
(Battery Shunt Trip)
1 2 3 4
TB1
-
+
(DC Power)
37
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