Inserting The Removable Voltage Transformers In A Panel - Siemens NXAIR M Operating Instructions Manual

To move the service truck with the removable voltage transformers on top away from the
panel, pull the truck using the handle of the removable voltage transformers.
Fig. 192: Moving the service truck using the handle
Close the high-voltage door.
Fit a padlock to the operating slide and close it.

The removable voltage transformers are taken out of the panel.

15.6 Inserting the removable voltage transformers in a panel

Preconditions

High-voltage door open

Withdrawable part in the panel or removed from the panel

Low-voltage connector stowed away in the shelf on the left inside the panel

Removable voltage transformers ready on service truck
139-2021.9 / 07
Operating the removable voltage transformers
WARNING
Reduced safety
The closed high-voltage door is an important safety element of the switchgear.
The high-voltage door is exclusively opened for performing operational activities
inside the switching-device compartment, such as removing or inserting a
withdrawable circuit-breaker and/or removable voltage transformers.
Close the high-voltage door:
If an activity inside the switching-device compartment is interrupted.
Immediately after an activity inside the switching-device compartment was
completed.
Before leaving the panel front.
NXAIR M 117