ABB ZS1 Instruction Manual page 32

Air-insulated medium voltage switchgear, 12 kv/17.5 kv

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Figure 5/6: For bolting of the panels together, through holes are

provided on the left-hand side and threaded bushes on

the right-hand side near the front and rears edges of the

side walls, and through holes on both sides in the

central part of the walls.

1.3

Aperture, for the main earthing bar

1.4

Bore

1.5

Lifting lug

1.9

Threaded bush, for switchgear assembly

1.11 Bore, for control wiring bushing 24

Shim, to be inserted above the opening when bolting

together panels without busbar partitioning

ABB Power Distribution

1.5

(27)

1.11

(24)

1.9

1.4

1.3

Figure 5/7: End panel of a switchgear with bolted-on cover plates

and rear wall

25 Rear wall

26 Cover plate