Key interlocks may be added to WL, VL & Sentron breakers, and Bolted Pressure Switches.
Note:
Key interlocks are not available of VBS or HCP switches
The key designation is the name of the key. This will usually be unique for each circuit or lineup. Consult with factory for more information on key schemes
See below for an example on each device type.
WL
VL
Sentron
BPS