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Operating the circuit-breaker panel with HV HRC fuse
2
Fig. 141: Low-voltage connector placed on the side wall
Carefully plug on the low-voltage connector (2) from the front.
To secure the low-voltage connector, push the longitudinal fastener (1) of the coupling
downwards.
Fig. 142: Plugging on the low-voltage connector
Close the high-voltage door.
Switch the auxiliary voltage on.
The motor in the circuit-breaker starts up and charges the spring energy store. The position
indicator for the spring energy store in the circuit-breaker changes to CHARGED.
The low-voltage connector is plugged on and secured by the longitudinal fastener.
88
1
2
Fig. 143: Locking the low-voltage
NXAIR M
connector
139-2021.9 / 07
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