Accessing The Connection Compartment Through The Switching-Device Compartment - Siemens NXAIR M Operating Instructions Manual

Accessing the connection compartment through the front

19.2 Accessing the connection compartment through the switching-device compartment

Preconditions

Preparations as described in chapter 19.1 completed
Procedure
Panel versions with withdrawable circuit-breaker, withdrawable circuit-breaker / fuse
combination or withdrawable disconnector link only:
Remove the connecting elements (2) from the protection plate of the switching-device
compartment (1), and store them:

4 nuts M8 with contact washers
Remove the protection plate of the switching-device compartment (1) from the switching-
device compartment, and store it.
Fig. 260: 4 bolted joints on protection plate of switching-device compartment
152
WARNING
Reduced safety
The closed connection compartment is an important safety element of the
switchgear. The connection compartment is exclusively opened for performing
operational activities inside the connection compartment.
Always install the partition between the connection compartment and the
switching-device compartment:
If an activity inside the connection compartment is interrupted.
Immediately after an activity inside the connection compartment was
completed.
CAUTION
Sharp edges
The metal parts of the vertical partition may have sharp edges.
Put on personal protective equipment.
NXAIR M 139-2021.9 / 07