Accessing the connection compartment through the front
342
NXAIR /
≤ 40 kA
110-0134.9 / 14
Fix the partition by screwing the bolts hand-tight:
•
8 bolts M8x20 with contact washers and plain washers size 8
acc. to ISO 7093
Tighten the bolts with a tightening torque of 25 Nm.
Fig. 631: 8 bolted joints on vertical partition
Install the protection plate in the switching-device compartment.
Fix the protection plate by screwing the nuts hand-tight:
•
4 nuts M8 with contact washers
Tighten the nuts with a tightening torque of 25 Nm.
Fig. 632: 4 bolted joints on protection plate of switching-device compartment
Prepare the voltage transformer compartment for installation by laying it down centrally in
front of the panel. The shutter (5) must point to the bushing plate.