Siemens NXAIR M - Operating the Shutter to the Connection Compartment in the Switching-Device Compartment

Operating the shutters
146 NXAIR M 139-2021.9 / 07
Closing the shutter to the busbar compartment (upper shutter)
NOTICE
Maloperation
Risk of damaging safety-relevant parts.
Remove the padlock before inserting the withdrawable part.
Push the handle of the slip-on lever slightly to the right (to release the latch) and let it slip
upwards. The shutter closes.
Remove the slip-on lever.
Remove the padlock from the right side in the switching-device compartment.

The shutter to the busbar compartment is closed.
18.2 Operating the shutter to the connection compartment in the switching-device compartment
DANGER
Electric shock
If the cable / bar connections in the connection compartment have not been
isolated, the contacts will be live at operational high-voltage.
Observe the Five Safety Rules.
Before opening the shutter to the connection compartment:
Verify safe isolation from supply.
Put on personal protective equipment.
Isolate and earth the cable / bar connections in the connection
compartment.
Padlock the shutter mechanism on the left side in the switching-device
compartment unless you intend to open the shutter to the busbar
compartment, too.
Open the shutter to the connection compartment safely:
Only use the slip-on lever. Never try to open the shutter mechanism
touching it directly.
Always operate the slip-on lever outside the panel using the handle.
Always close the shutter to the connection compartment:
Before interrupting operations inside the switching-device compartment.
Immediately after completing operations inside the switching-device
compartment.