Siemens NXAIR M - Operating the Circuit-Breaker Panel for Double-Busbar System; Control Elements at the Front Side of the Panel

Operating the circuit-breaker panel
139-2021.9 / 07 NXAIR M 33
Preconditions
Either without withdrawable circuit-breaker in the panel, or:
 Withdrawable circuit-breaker inserted in the panel in test position
 Low-voltage connector plugged on
 High-voltage door open
 Padlock for door handle (optional) available
In case of removable voltage transformers (optional):
 Removable voltage transformers in test position
Procedure
Push the door handle on the high-voltage door totally upwards, and hold it.
Press the high-voltage door totally onto the panel frame using the door handle.
Push the door handle on the high-voltage door totally downwards, and release it.
Fig. 36: Closing the high-voltage door of the circuit-breaker panel
Install a padlock (optional), and close it.

The high-voltage door is closed.