Vertiv™ NetSure™ 5100 Series -48 VDC Power System Installation Manual
Proprietary and Confidential © 2023 Vertiv Group Corp.
5.19 Input Battery Connections
5.19.1 Input Battery Connections to List 20, 25 Distribution Cabinet
Refer to the following.
Important Safety Instructions
DANGER! Adhere to the “Important Safety Instructions” starting on page vii.
WARNING! Observe proper polarity when making output connections.
To Battery and Battery Return Busbars
Input battery leads are connected to the battery (load side) busbar and battery return busbar. Refer to Figure 5.66 for connection
details and recommended torque.
To Battery Disconnect Circuit Breakers and Battery Return Busbar (if furnished)
Input battery leads are connected to the battery disconnect device battery busbars located on the distribution panel. Battery return
leads are connected to the battery return busbar located at the top of the distribution cabinet. Refer to Figure 5.67 for connection
details. Refer to Figure 5.68 through Figure 5.70 for illustrations of the available distribution panels. Torque connections as shown in
the illustrations.
Figure 5.66 Battery and Central Office Ground Connections to List 20, 25 Distribution Cabinet Battery Busbars
GND RTN
-48V SUPPLY
Central Office Ground
Battery Return Bus
Battery (Load Side) Bus
List 20 only has (4)
positions for battery side.
3/8-16” Studs on 1” Centers
(Customer must supply or order hardware)
Maximum Lug Width: 1.062 inches.
Hardware:
3/8" Hex Nut
3/8" Lock Washer
3/8" Flat Washer
Torque to 300 in-lbs.
Components removed in
illustration for clarity.
Battery Return Bus
Battery (Load Side) Bus
Rear
List 25 Shown, List 20 Similar
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