Operating the circuit-breaker panel
139-2021.9 / 07 NXAIR M 71
Pull the service truck back at its upper edge, away from the panel.
Fig. 117: Unlocking the service truck
Interlock the withdrawable circuit-breaker with the panel by turning the two locking levers to
the inside.
The withdrawable part is correctly interlocked with the panel as soon as both locking levers
latch tight inside.
Fig. 118: Interlocking the withdrawable circuit-breaker
Locking the low-voltage connector
In addition to these instructions, an instruction label on the withdrawable circuit-
breaker informs about plugging on the low-voltage connector.
Follow the advice on the label (3) to push the longitudinal fastener.
Fig. 119: Instruction label on withdrawable circuit-breaker
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