Siemens NXAIR - High-Voltage Door with Ventilation Flap

Operating the circuit-breaker panel
44 NXAIR / ≤ 40 kA 110-0134.9 / 14
Fig. 51: Closing the high-voltage door of the circuit-breaker panel
Fit a padlock (optional) to the door handle and close it.
✓
The high-voltage door is closed.
10.6 High-voltage door with ventilation flap
On high-voltage doors with ventilation flap, a position indicator shows the position of the ventilation flap.
NOTICE
Incorrect position of ventilation flap
Closing the high-voltage door when the ventilation flap is not in operational
position could cause damage in the switching-device compartment.
The position indicator of the ventilation flap in the high-voltage door must
indicate operational position.
Reading the position indicator
Read the position indicator for the ventilation flap in the high-voltage door:
Fig. 52: Ventilation flap in operational
position, positive indication
Fig. 53: Ventilation flap not in operational
position, negative indication