The ABB catalog number KXT5MRHESTFP refers to a metal base with adjustable depth, designed to work seamlessly with XT5 breakers in a plug-in configuration. This unit features a rotary handle equipped with a padlock device, providing a secure and flexible way to operate and lock the breaker as needed. Distributed by BSP Automation, this component is built to fit various setups where reliable circuit protection and control are essential. It’s a solid choice when you need a durable, adjustable mounting base that keeps things locked down—no fuss, just good, dependable gear.