Taking The Removable Voltage Transformers Out Of The Panel - Siemens NXAIR M Operating Instructions Manual

15.5 Taking the removable voltage transformers out of the panel

Preconditions

Withdrawable circuit-breaker in test position

Removable voltage transformers in test position

High-voltage door open

Low-voltage connector plugged on

Service truck available
Removing the low-voltage connector
To detach the low-voltage connector, push the longitudinal fastener (1) of the coupling
downwards.
Remove the low-voltage connector (2) carefully upwards.
Fig. 183: Detaching and removing the low-voltage connector
Stow the low-voltage connector away in the shelf on the left inside the panel.
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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 113