IG-284-EN version 03; 06/05/2020
28
Installation
General Instructions
cgm
.800: Medium-voltage switchgear with integrated insulation in SF
6
gas
up to 36 kV in accordance with IEC Standard with rated current up to 800 A
4.6. Connecting the cubicles
The joining of cubicles must be carried out as indicated in
Ormazabal
's
RA-307
Spares and accessories document,
which is supplied with the materials kit used for connecting
cubicles.
4.7. Earthing the switchgear
When connecting the general earth collector, follow the
fi gure below.
Figure 4.21.
Equipment earthing
1.
Bolt the earthing fl atbar between every two medium
voltage cubicles, in the rear section, using two
hexagonal M8 x 20 bolts. Apply a torque of 15 Nm.
Tools:
13 mm wrench
Torque wrench with 13 mm adapter
2.
Connect the end earthing fl atbar, marked with the
symbol , to the general earth connection of the
installation.
Earthing the equipment is an essential condition for
safety.
Summary of Contents for velatia cgm.800
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