Siemens NXAIR Operating Instructions Manual page 381

Detaching the earthing clamp from the earthing point
Unscrew the earthing clamp from the earthing point of the panel using the screw handle.
Remove the earthing clamp.
Fig. 692: Earthing clamp connected
Remove the earthing device from the switching-device compartment.
Remove the padlock from the mechanism of the other shutter.
✓
The earthing device is completely detached from the bushing contacts.
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CAUTION
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.
with earthing point
NXAIR / ≤ 40 kA
Fitting the earthing device
Fig. 693: Unscrewing the
earthing clamp
381