Rockwell Automation 1512B MV Controllers, 200/400A Two-High Cabinet, Standard and Arc-Resistant Enclosure User Manual
Page 75
Rockwell Automation Publication 1500-UM055G-EN-P - May 2013
67
Maintenance
Chapter 5
1. Remove the two 1/4-20 self-tapping screws from the Z-clip and remove
the Z-clip.
Figure 67 - Removing Z-clip
2. Remove the two door locking bolts.
3. Use a flat-headed screwdriver to turn the defeater pin on the right side of
the isolation switch handle (see
).
4. Open the power cell door.
Figure 68 - Defeater Pin
ATTENTION: This procedure may expose personnel to energized medium
voltage components. Whenever possible, lock out incoming power before
beginning this procedure. If you are unable to lock out incoming power, use the
appropriate protective equipment and work practices to avoid shock hazards.
Failure to do so may result in severe burns, injury or death.
Remove 1/4-20
self-tapping screws
Handle Pin
Remove Z-clip
Defeater Pin