Siemens NXAIR Operating Instructions Manual page 344

Accessing the connection compartment through the front
Install the lid (7) of the metal cover. Fix it by screwing the bolts hand-tight:
•
2 bolts M8x20 with contact washers
Tighten the bolts with a tightening torque of 25 Nm.
7
Fig. 636: Lid of metal cover
Install the wiring duct cover.
Fix the wiring duct cover by screwing the bolts hand-tight:
•
3 bolts M8x20 with contact washers
Tighten the bolts with a tightening torque of 25 Nm.
Fig. 638: 3 bolted joints on wiring duct cover
344
Fig. 637: 2 bolted joints on metal cover in
NXAIR / ≤ 40 kA
switching-device compartment
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