Eaton SVS/12, User Manual

Page: 120 / 138

SVS/12
120 994.530 G01 02
C
HANGING A
10/12
K
V
BOTTOM CONTACT WITH
SPACER FOR A
20/24
K
V-
BOTTOM CONTACT
, 630 A
1. Remove the high-voltage fuses according to the
procedure described in chapter 4.3.6.
In this situation the disconnector is in the earthing
position and the load-break switch cannot be turned on.
2. Switch the low-voltage side of the transformer off and
check - before removing the bottom contact with spacer
- that the outgoing cables are not live.
3. Remove the 10/12 kV bottom contacts and the spacers
using the special spanner.
4. Clean the contact surfaces of the 20/24 kV bottom
contacts with, for example, Scotch-Brite scouring pads.
5. Fit the preassembled 20/24 kV bottom contact using
the special spanner set to a tightening torque of 20 Nm,
as follows:

Fit the preassembled 20/24 kV bottom contact on
the spanner.

Rest the contact against the side of the fuse holder
and slowly lower the whole assembly.
4. Removing bottom contact 10/12 kV with spacer
6. Fit the 20/24 kV fuses and turn on the load-break
switch (see chapter 4.3.6).