Operating the shutters
286 NXAIR / ≤ 40 kA 110-0134.9 / 14
Closing the shutter to the busbar
compartment (upper shutter)
Maloperation
Risk of damaging safety-relevant parts.
Remove the padlock before inserting the withdrawable part /
switching-device truck in the switching-device compartment.
Push the handle of the slip-on lever slightly to the right (to release the latch) and let it slip
upwards. The shutter closes.
Electric shock
If the cable / bar connections in the connection
compartment have not been
isolated, the contacts will be live at operational high-voltage.
Always observe the Five Safety Rules.
Before opening the shutter to the connection
compartment:
Put on personal protective equipment.
Isolate and earth the cable / bar connections in the connection
compartment.
Verify safe isolation from supply.
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.