This Universal Miniature Circuit Breaker Lockout Device locks virtually all miniature ISO/DIN pin-out circuit breakers throughout the world. It features a thumb turn dial screw for easy attachment and no special tools required for installation. The device attaches to circuit breaker and makes dial inaccessible in the locked position to prevent removal. A Lockout Padlock can be applied horizontally or vertically to secure the device and the design allows device to be mounted side-by-side on adjacent breakers too.