Vertiv™ NetSure™ 512
NGBB
-48 VDC Power System User Manual
Proprietary and Confidential © 2022 Vertiv Group Corp.
43
Figure 4.11
Replacing a Battery or Load Disconnect Contactor in a List 7 Distribution Cabinet (cont’d on next page)
5/16-18 x 7/8” Bolt
5/16" Belleville Lock Washer
5/16" Hardened Flat Washer
(4 places per contactor)
Torque to 100 in-lbs.
Apply electrical anti-oxidizing
compound to busbar mating surfaces.
Load
Disconnect
Contactor
Battery
Disconnect
Contactor
Rear
Load
Disconnect
Contactor
Battery Disconnect Contactor
(replaced in same fashion
as load disconnect contactor)
Rear
Components removed in
illustration for clarity only.