Siemens NXAIR Operating Instructions Manual page 350

Accessing the connection compartment through the rear
All panel versions except for contactor panels with panel width 435 mm
and switch-disconnector panel:
Remove the connecting elements from the horizontal ledge (1):
•
8 bolts
acc. to ISO 7093
Remove the horizontal ledge, and store it together with the associated connecting elements.
Remove the connecting elements from one of the vertical ledges (2):
•
14 bolts M8x20 with contact washers
Remove the vertical ledge, and store it together with the associated connecting elements.
Proceed in the same way with the other vertical ledge.
Fig. 648: All panel versions except for contactor panels with panel width 435 mm
Remove the 2 sealing brackets (3), and store them.
Fig. 649: All panel versions except for contactor panels with panel width 435 mm
and switch-disconnector panel: Removing the sealing brackets
350
M8x25 with
and switch-disconnector panel: 36 bolts on ledges
NXAIR / ≤ 40 kA
contact washers and
(1) Horizontal ledge
1
(2) Vertical ledges
2
(3) Sealing brackets
3
plain washers size 8
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