Rockwell Automation 1512A MV Controllers - 800A One-High Cabinet - Manual (Page 12)

2-2 Installation Standard Enclosure
1512A-UM102B-EN-P – June 2013
I M P O R T A N T I M P O R T A N T
Figure 2.1 – Access to Low Voltage Compartments, Standard
Enclosure
Opening the Medium Voltage Doors
Medium voltage doors are identified as MV in Figure 2.2.
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MV
LV MV
MV
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MV
LV MV
MV
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Locking Door Bolts Locking Door Bolts
Isolation Switch Handle
Figure 2.2 – Access to Medium Voltage Compartments, Standard Enclosure
The Medium Voltage door has its own isolation
switch handle and interlocking safe guards.
See Access to the Power Bus, page 2-6, for the
procedure to open the swing-out low voltage
panel behind the low voltage door (for standard
cabinet only.)
1) Electrically open the contactor by pressing the STOP button on
the starter or at the remote control location.
2) Move the isolation switch handle to the OFF position.
3) Unscrew the door locking bolts for the upper right hand medium
voltage door.
4) The upper right hand medium voltage door is now released and will
swing open.
5) Pull the interlock release lever forward. The interlock release lever is
located at the bottom right corner of the door opening.
Note: The bottom MV doors cannot be opened until the interlock
release lever is pulled forward.
6) Open the bottom right-hand door by unscrew the locking bolts.
Door Opening
Procedure
(cont.)