Operating the circuit-breaker panel
72 NXAIR / ≤ 40 kA 110-0134.9 / 14
10.20 Taking the withdrawable circuit-breaker out of the panel
Injury
The mechanism inside the withdrawable circuit-breaker can cause injuries by
getting squeezed, caught or cut.
Do not remove any parts of the covering.
Do not charge the spring energy store in the circuit-breaker.
Heavy weight of withdrawable part
Removing the withdrawable part without service truck can cause injuries.
Do not try to remove the withdrawable part while service truck is not
interlocked with the panel.
Fig. 113: Circuit-breaker panel with
high-voltage door open
(type 3AE5 as an example)
Fig. 114: Circuit-breaker panel
without service truck
Preconditions
• Service truck available and selected according to the corresponding panel width
• Withdrawable circuit-breaker in test position
• Spring energy store in the circuit-breaker discharged
• High-voltage door open
• Low-voltage connector stowed away
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