Universal 120/277V Single Pole Breaker Lockout, Pack of 50

The Universal 120-277V Breaker Lockouts are hinged with locking post design. Breaker lockout locks lever in off position to isolate and to prevent the use of breaker. It features a universal model that has unique screw clamp to lockout all Single-Pole Breakers. The Universal 120-277V Breaker Lockouts use thumbscrew to clamp lockout securely on to switch tongue, then pull cover over thumbscrew and lock in place to prevent clamp from being loosened.