Operating the contactor panel with panel width 600 mm
150 NXAIR / ≤ 40 kA 110-0134.9 / 14
14.4 Opening the high-voltage door
Reduced safety
The closed high-voltage door is an important safety element of the switchgear.
The high-voltage door is exclusively opened for performing operational activities
inside the switching-device compartment, such as removing or inserting a
contactor truck.
Close the high-voltage door:
If an activity inside the switching-device compartment is interrupted.
Immediately after an activity inside the switching-device compartment was
completed.
Before leaving the panel front.
Injury
The mechanism inside the contactor truck can cause injuries by getting squeezed,
caught or cut.
Do not remove any parts of the covering.
Preconditions
• Contactor truck in test position
• High-voltage door closed
• Padlock (optional) removed from door handle
Procedure
Pull door handle upwards and open the high-voltage door.
,
Fig. 263: Opening the high-voltage door
The high-voltage door is open.
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