NetSure
™
-48V DC Power System
User Instructions, UM582127000 (Issue AD, January 20, 2014)
Spec. No: 582127000
Code: UM582127000
Model No: 721
NPBB
Issue AD, January 20, 2014
[48]
Figure 31.
Replacing a Load Disconnect Contactor in a 1-Row Distribution Cabinet
Load
Disconnect
Contactor
Components removed in
illustration for clarity only.
Front
5/16-18 x 1” Bolt
5/16" Belleville Lock Washer
5/16" Belleville Lock Washer
(concave side of Belleville
Lock Washers face each other)
5/16" Hardened Flat Washer
(4 places)
Torque to 100 in-lbs.
Apply electrical anti-oxidizing
compound to busbar
mating surfaces.
Contactor styles vary
between manufacturer’s.
Black Wire
Violet/White Wire
Violet Wire
Red Wire
Violet/White Wire
Violet Wire
Black Wire
Red Wire