Breaker Blockers are ideal for oversized and irregularly shaped switches.
Safely lock out your oversized and irregularly shaped switches with our 480-600V Breaker Blocker. Self-adhesive backed rails are permanently installed into electrical panels - simply clean panel surface and adhere - no drilling required! Color-coded blocking bars can be used to indicate if breaker is locked off (red) or on (green). Blocking bars are 7.6 long. Breaker Block Kit (90891) includes two 4" Yellow Mounting Rails (51264), one 7.6" Red Blocking Bar (90892), one 7.6" Green Blocking Bar (90893) and three alcohol wipes. Blocking Bar Holder (51265) sold separately."