Eaton SVS/12, User Manual

Page: 50 / 138

SVS/12
50 994.530 G01 02
3.3.5 Connection of paper-insulated lead-
covered cables up to 150 mm
2
Cu or
120 mm
2
Al by means of grease-filled
cable boxes
General
Paper-insulated lead-covered cables can be connected to
load-break switch and circuit-breaker panels up to 12 kV
and to load-break switch/fuse panels up to 12 kV. Load-
break switch and circuit-breaker panels are equipped with
a terminal block with locked cable entry ports. The terminal
block has three connection pins moulded into the cast resin
insulation.
On load-break switch/fuse panels, the 12 kV connection
pins are directly below the fuse holders.
Required components
For cables with a copper core (figures 1 and 2):

a large cable box (b)

two protection covers (c)

three cable core clamps (d), each consisting of:
- one connecting piece
- one gland
- two washers with hexagon socket head screws

one cable block (e)

one hose clip (f)

polyethylene tape
N
OTE
For cables with an aluminium core (figure 3):
Eaton cable core clamps are only suitable for
connecting cables with a copper core.
There is a maximum free space measuring
Ø 40 x 85 mm for connecting cables with an
aluminium core by means of crimp cable
sockets, for instance.
Basically, any type of cable core clamp can be
used, provided it is within the permitted
dimensions when crimped.
1.
d
2.
max.
O 40 mm
max.
85 mm
3.