Siemens NXAIR Operating Instructions Manual page 355

Procedure
Installation of the rear wall is described hereafter by the example of a 3-panel arrangement.
Fig. 654: All panel versions except for contactor
All panel versions except for contactor panels with panel width 435 mm and switch-
disconnector panel:
At the rear side of the panel, insert the rear wall (1) by the handle, and push it down.
Fix the rear wall by screwing the bolts at the bottom hand-tight:
•
4 bolts M8x20 with contact washers (2)
Tighten the bolts with a tightening torque of 25 Nm.
Fig. 656: All panel versions except for contactor panels with panel width 435 mm and
110-0134.9 / 14
Accessing the connection compartment through the rear
panels with panel width 435 mm:
Rear wall, 3-panel arrangement
switch-disconnector panel: Inserting and fixing the rear wall
NXAIR / ≤ 40 kA
Fig. 655: Contactor panels with panel width
435 mm only:
Rear wall,
3-panel arrangement
1
(1) Rear wall with handle
(2) Bolts to screw
2
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