Universal Miniature Circuit Breaker Lockout Device. Locks virtually all miniature ISO/DIN circuit breakers throughout the world. Thumb turn dial screw for easy attachment - no tools required! Dial is inaccessible in the locked position to prevent removal. Safety padlock can be applied horizontally or vertically. Can be mounted side-by-side on adjacent miniature circuit breakers. Durable thermoplastic material is chemical resistant and performs effectively in extreme environments. Laser engraved your LOGO on the included stainless steel sheet. Electrical lockout lockouts body and button part are made of reinforced nylon PA material with wear resistance, corrosion resistance, good insulation and temperature difference resistance (-50℃~+177℃). The miniature circuit breaker lockouts do not require any installation tools! The lock body comes with a button buckle design, and the installation can be easily completed by manually pressing the button. And The lever-type circuit breaker lock uses a finger-turned first wheel for quick installation. Suitable for a variety of single-stage, multi-stage and any miniature circuit breakers to protect employees from electrical accidents during equipment maintenance.