Siemens NXAIR M Operating Instructions Manual page 140

Earthing and de-earthing the busbar system
Open the padlock.
Fig. 238: Operating slide on busbar earthing switch
Lift the operating slide and hold it.
Fig. 239: Lifting the operating slide;
Actuating opening for busbar earthing switch
The actuating opening for the busbar earthing switch has different receptacles for inserting the operating
lever for closing and opening the busbar earthing switch.
Fig. 240: Actuating opening for
140
padlocked
actuating opening open
busbar earthing switch
NXAIR M
Fig. 241: Inserting the operating lever
for opening
139-2021.9 / 07