Siemens NXAIR M Operating Instructions Manual page 195

Preconditions

Withdrawable part taken out of the panel

Low-voltage connector stowed away

Both shutter to the connection compartment and shutter to the busbar compartment closed

Bushing contacts to be earthed isolated

Earthing accessories available and in perfect condition

Slip-on lever for opening the shutter available

Padlock for shutter not to be used available

Personal protective equipment put on
Fig. 329: Panel prepared
139-2021.9 / 07
DANGER
Impermissibly high voltage and current
Inappropriate use of the earthing accessories will result in impermissibly high
voltage and current.
Use the earthing device exclusively for the maximum permissible short-
circuit current and the maximum permissible short-circuit duration.
Do not use the earthing device for short-circuit tests or purposes causing
similarly high voltages and currents.
Perform diligent inspection of the earthing accessories before each
application.
1
2
Fig. 330: Fixed earthing point for connecting the
Upper shutter covering bushing
(1) contacts linked with busbar
compartment
Lower shutter covering bushing
(2) contacts linked with connection
compartment
earthing clamp
NXAIR M
Fitting the earthing device
195