Rockwell Automation 1512A MV Controllers, 400A One-High Cabinet, Standard and Arc-Resistant Enclosure - Manual (Page 15)

Rockwell Automation Publication 1512A-UM100F-EN-P - May 2013 7
Installation – Standard Enclosure Chapter 2
Access to the Power Bus
Rear Access
1. Remove the hardware securing the center rear bus access cover ( Figure 6 ).
2. Remove the center rear bus access cover.
3. Once the rear bus cover is removed you will see the three bus bars
( Figure 7 ).
Figure 6 - Access to Power Bus from Side and Rear of Cabinet
Figure 7 - Bus Bars from Back Access
ATTENTION: This procedure requires contact with medium voltage
components. To avoid shock hazards, lock out incoming power before working
on the equipment (refer to
Power Lock-out Procedure on page 41 of Chapter 5 ).
Verify with a hot stick or appropriate voltage measuring device that all circuits
are voltage free. Failure to do so may result in severe burns, injury or death.
Side Bus
Access Cover
Center Rear Bus
Access Cover