Circuit breaker lock-out assembly

Circuit breaker with a circuit breaker engageable lock-and-out assembly includes a body having a top and bottom joined by walls. Wall forms a passage extending from the lower body to the upper body. Button with one end extending into the body passage through the upper body is movable between the locking position and the unlocking position. A leaf spring pair are fixed to the button, and extends through the passage. The nose extends from the body lower part, engages the leaf spring. Pin extends from each of the leaf springs. Each pin has a switch tongue can be in engaged with the holes formed in the adjacent circuit breaker wall, and a locking position and an unlocked position, at least one sliding movement of the button in the side position by engaging the leaf springs and the nose of each pin relative to the hole of the Move.