Operating the shutters
290 NXAIR / ≤ 40 kA 110-0134.9 / 14
Injury
The shutter mechanism on the left and right side in the switching-device
compartment can cause injuries by getting squeezed, caught or cut.
Do not remove any parts of the covering.
Do not reach into the shutter mechanism with hands or tools.
Opening the shutter to the busbar
compartment (upper shutter)
Preconditions
• Contactor truck in test position
• Padlock (optional) removed from door handle
• High-voltage door open
• Contactor truck taken out of the panel
Fig. 533: Slip-on lever for opening the shutter;
vertical latching rod (2) pointing downwards
On the right side in the switching-device compartment: Move the vertical interlocking
lever (5) downwards and padlock (6) the shutter mechanism.
Fig. 534: Padlocking the shutter mechanism on the right side in
the switching-device compartment