Siemens NXAIR Operating Instructions Manual page 87

Air-insulated switchgear ≤ 17.5 kv / ≤ 40 ka / ≤ 4000 a busbar current
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Unlocking the circuit-breaker truck from the panel
To unlock the circuit-breaker truck from the panel frame at the center, turn the two locking
levers at the circuit-breaker truck to the outside.
Fig. 145: Unlocking the circuit-breaker truck from the panel at the center
To unlock the circuit-breaker truck from the panel frame at the bottom, pull the locking
bracket (1) upwards until it latches into the retaining hook.
1
Fig. 146: Unlocking the circuit-breaker
Moving the circuit-breaker truck out of the panel
110-0134.9 / 14
truck at the bottom
CAUTION
Maloperation
The circuit-breaker truck is designed exclusively for slow and careful driving on
obstacle-free paths.
Before moving the circuit-breaker truck, check the path.
Keep the shunting area and paths free of obstacles and dry.
Remove objects such as small parts, installation material or tools from the
floor in the travel area.
Move the circuit-breaker truck only slowly and constantly.
The circuit-breaker truck is not suitable for unsteady floor, such as stairs,
deepening or floor joints.
NXAIR / ≤ 40 kA
Operating the circuit-breaker panel
Fig. 147: Circuit-breaker truck ready to
move
87

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