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Rockwell Automation Publication 1512A-UM101B-EN-P - December 2021
Chapter 5 Maintenance
Door Interlock
Circumvention
Some of the following sections may require moving the isolation switch handle
to the ON position while the medium voltage door is open. The interlocking
safeguards in the mechanism are designed to prevent the handle from moving
to the ON position while the cabinet door is open.
•
To circumvent this safety feature, use a screwdriver, or other suitable
tool, to depress the door interlock lever in the switch.
•
Hold the lever down while moving the handle to the ON (closed) position.
Figure 36 - Door Interlock Lever
ATTENTION:
The door interlock mechanism is designed to prevent
access to the medium voltage cell while the unit is energized. When
the unit is in operation, do not circumvent this interlocking safety
feature. Always disconnect and lock out incoming power (refer
Power Lock-out Procedure on page 49
) before proceeding with any
adjustments requiring the handle to be moved to the ON (closed)
position. Failure to do so may result in electric shock causing severe
burns, injury or death.
Door Interlock Lever