Publication 2100-IN012B-EN-P - April 2005
Operator Handle and Unit Interlock 7-3
Defeating the Unit Interlock
Lever
Energizing a Unit with the Unit Door Open
When the unit door is open and the operator handle is in the OFF/O position,
the defeater lever must be deliberately lifted on vertical handles or pushed to
the left for horizontal handles to move the operator handle to the ON/I
position and energize the unit. See Figure 7.3 and Figure 7.4.
Figure 7.3 Defeater Lever for Vertical Operator Handle
ATTENTION
Follow NFPA 70E safety guidelines when working on
energized equipment.
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