54 ZX2 GAS-INSULATED MEDIUM VOLTAGE SWITCHGEAR
• Screw the cover plate (1) to the top-mounted
box (fig. 3.3.7.5.4).
• Slide the hose glands over the cable harnesses
prepared at the works which are provided for
the transformer wiring and a damping resistor
if fitted. Guide the cable harnesses through the
relevant opening in the cover plate. Slide the
nuts for the hose glands over the relevant cable
harnesses. Install the hose glands.
• Wire the transformers as stated in section
3.3.7.6., and any damping resistor as stated in
chapter 3.3.7.7. For wiring, use cable ties
screwed to the M5 stud bolts and twist lock fas-
teners as holding points for cable ties.
• Close the openings in the cover plate (2) with
PVC reducer rings. Fit the cover plate (2), the
side plates and the top plate with the fastening
materials listed in fig. 3.3.7.5.4.
—
Fig. 3.3.7.5.4:
Installation of the
optional casing
8 x Cable ties for fastening
to M 5 stud bolts
Cover
2 x Hose gland PG 29
+ nut
Cover
2 x twist lock
fastener
PVC reducer
ring
12 x cheese head screw M 8 x 20 DIN 912
12 x dished washer 8 DIN 6796
12 x cheese head screw M 8 x 20 DIN 912
12 x dished washer 8 DIN 6796
8 x washer 8 DIN 433
8 x spring washer A 8 DIN 127
8 x hexagonal nut M 10 DIN 934
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