These circuit breaker lockouts can be easily secured onto the breaker without the need for tools, thanks to a convenient thumbscrew for quick installation. Designed for 480/600V breakers measuring 1-7/16″ W x 7/16″ D, the lockout has dimensions of 1¾ ″ H x 2¾ ″ L x 1-13/16″ W. It accommodates one padlock with shackles up to 9/32″. Crafted from durable polypropylene and nylon, the device includes a detachable cleat to ensure secure restraint for breakers with extended, sliding switch throws.