Siemens NXAIR M - Operating the Removable Voltage Transformers

Operating the circuit-breaker panel
139-2021.9 / 07 NXAIR M 37
Remove the double-bit key.
To close the actuating opening, push the operating slide down as far as it will go.
Fit a padlock (optional) to the operating slide and close it.
Fig. 45: Position indicator CLOSED (service position)
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The withdrawable circuit-breaker has been racked from test position to service position; the
position indicator is in service position (vertical bar).
10.8 Racking the withdrawable circuit-breaker to test position
NOTICE
Maloperation
Racking the withdrawable circuit-breaker to service position is only permissible if
the circuit-breaker is in OPEN position.
Check through the inspection window in the high-voltage door if the
circuit-breaker is in OPEN position.
Switch the circuit-breaker to OPEN position, if required.
Position indicators of withdrawable circuit-breaker visible on high-voltage door:
Fig. 46: Type 3AE1
Fig. 47: Type 3AE5