Siemens NXAIR M Operating Instructions Manual page 175

Insert the protection plate of the switching-device compartment (1), and fasten with 4 nos.
nuts M8 with contact washers. Tighten the nuts with torque 25 Nm.
Fig. 303: 4 bolted joints on protection plate of switching-device compartment
Insert the voltage transformer compartment (3) in the panel towards the front, and fasten with
8 bolts M8x20 with contact washers. Tighten the bolts with torque 25 Nm.
Fig. 304: 8 bolted joints on voltage
Insert the wiring duct cover (4), and fasten with 3 / 5 bolts M8x20 with contact washers.
Tighten the bolts with torque 25 Nm.
Fig. 306: 3 bolted joints on wiring duct cover,
139-2021.9 / 07
Accessing the connection compartment through the front
transformer compartment
panel width 800 mm
NXAIR M
Fig. 305: Voltage transformer compartment,
removed
Fig. 307: 5 bolted joints on wiring duct cover,
panel width 1000 mm
175