This lockout is specifically designed for locking out access to circuit breakers, specifically MCBs and MCBBs.
Universally suitable for use with most small circuit breakers, the lockout fits snugly around the switch and has a rounded bottom and a triangular-shaped tail at the top to ensure a snug, secure fit. To fully secure in place, use a small screwdriver to tighten the built-in screw against the switch, then thread a lockout padlock (sold separately) through the lockout's hole to prevent access to the screw.
These lockouts are suitable for use on both single and multi-pole breakers and include a brass threaded insert for smooth operation of the internal screw.
There are four different versions of the LT-UBL lockout. They are as follows: