Siemens NXAIR - Page 357

Accessing the connection compartment through the rear
110-0134.9 / 14 NXAIR / ≤ 40 kA 357
Contactor panels with panel width 435 mm only:
At the rear side of the panel, insert the rear wall (2) by the handle.
Fix the rear wall by screwing the bolts hand-tight:
• 3 bolts size M8x20 (1)
Tighten the bolts with a tightening torque of 25 Nm.
(1)
Bolts to screw
(2)
Rear wall with handle
Fig. 658: Contactor panels with panel width 435 mm only:
Inserting and fixing the rear wall
Insert the 2 sealing brackets (3) into the vertical gaps between the panels.
Install one of the vertical ledges (4). Fix it by screwing the bolts hand-tight:
• 15 bolts size M8x20 with contact washers
Tighten the bolts with a tightening torque of 25 Nm.
Proceed in the same way with the other vertical ledge.
2
1