Siemens NXAIR Installation Instructions Manual page 58

Assembling the panels
Fig. 55: Busbar compartment accessible
✓
Access to the busbar compartment through the front side of the panel is given.
Switch-disconnector panel only:
•
Busbar compartment is accessible through switching-device compartment.
Fig. 56: Panel prepared for accessing the busbar compartment
Remove the connecting elements from the busbar cover (1), and store them:
•
3 bolts M8x20 with contact washers (2)
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NXAIR / 40 kA 110-0084.9 / 15