55
Instruction Booklet
IB022018EN
Effective July 2020
Instructions for the installation and
EATON
www.eaton.com
Figure 94.
Threaded rod
Washer
and Nut
Top view of end bus joint showing rod, washer and
nut.
Figure 95.
SSIS Busbar
Clamshell
Tank Bushing
Cone
Threaded
Rod
Nut and
Lock Washer
Copper Disk
Plug Receptacle
SSIS bus joint clamshell and threaded rod.
Lubricate the outside of the bus plug with silicone gel and insert
the plug into the top of the bus joint. It helps to place a small
wire between the two surfaces to allow air to escape as you push
down on the plug. Push the plug down and turn it with a socket
to tighten. Remove the wire if one was used to create an air gap.
Torque to 45 Nm with a calibrated torque wrench. See
.Add the black insulating cap to the top of the plug. Repeat this
process for each joint.
Figure 96. End bus joint with plug inserted.
ote:
N
When the joints are loose, they are flexible. New sections of busbar
assemblies can be added one at a time to existing sections of busbar.
Figure 97. Bus terminated at end vertical section tank
bushings.
5.11 Low-voltage control cables
The low-voltage control wiring brought in from outside (through the
Eaton blue top hat wire channels), or routed up through cutouts in
the low-voltage compartment base, will require glands and caulking
to completely fill any wireway apertures.
a) Reconnect the internal control wiring that was disconnected at
the factory for shipping. The wiring as well as the connecting
points are labeled.
b) Connect the wiring from external equipment to the terminal
blocks located in the upper front compartment as shown on the
switchgear electrical connection diagrams.
c) Do not modify the switchgear enclosure in any way in order
to connect control wiring. When wiring connections that pass
