Siemens NXAIR - Page 94

Operating the circuit-breaker panel
94 NXAIR / ≤ 40 kA 110-0134.9 / 14
Preconditions
• Panel prepared, no circuit-breaker truck inserted
• Circuit-breaker truck with the same coding as panel available
• Coupling pin of the operating shaft in vertical position
• Spring energy store in the circuit-breaker discharged
• High-voltage door open
• Low-voltage connector stowed away
• Auxiliary voltage for the panel disconnected
Fig. 155: Panel prepared to insert circuit-breaker truck
Procedure
Move the circuit-breaker truck centrally in front of the panel. The rollers (1) of the circuit-
breaker truck point towards the guide rails (2) at the bottom of the panel.
Push the circuit-breaker truck into the panel as far as it will go.
Fig. 156: Circuit-breaker truck in front of panel