I N S T A L L A T I O N O F T H E S W I T C H G E A R A T S I T E
33
—
Fig. 2.3.4.6.5: Busbar
fitted to the rear
bushings
—
Fig. 2.3.4.6.6: Current
transformer fastenings
below the enclosure
•
Move the preassembled unit into the termination
area, below the prepared bushings. Ensure that
the external conductive layers of the busbar and
adapter are not damaged.
•
Lift the preassembled unit, plug the adapters onto
the bushings and hang the current transformer’s
fastening plate on the stud bolts provided. The
nuts on the stud bolts hold the transformer in
position. Fit the washers and nuts onto the stud
bolts in the bushings (see manufacturer´s
instruction). The nuts hold the bar in position.
Tighten the nuts for the bar and those for the
current transformer’s fastening plate to the
specified torque.
•
Fit the insulating plugs and the covering caps
due to the manufacturer´s instruction. Fix the
earthing lead to the busbars as described in the
manufacturer´s instruction. Fix the other end of
the earthing lead to a suitable point on the
enclosure.
4x
—
Fig. 2.3.4.6.5
—
Fig. 2.3.4.6.6
