Operating the circuit-breaker panel
139-2021.9 / 07 NXAIR M 59
10.19 Taking the withdrawable circuit-breaker out of the panel
Injury
The mechanism inside a 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. 93: Circuit-breaker panel Fig. 94: Circuit-breaker panel without
with high-voltage door service truck
open
Preconditions
Service truck available and selected according to the corresponding panel width
Withdrawable circuit-breaker racked to test position
Spring energy store in the circuit-breaker discharged
High-voltage door open
Low-voltage connector stowed away
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