The ABB KXTAMIRHR is a mechanical interlock accessory designed for use with XT1, XT2, XT3, and XT4 circuit breakers. This accessory ensures horizontal interlocking between two circuit breakers, enhancing safety and reliability in electrical installations. The item number KXTAMIRHR and UPC 888614415522 confirm its authenticity and traceability. Ideal for applications requiring stringent operational safety, this ABB accessory is a crucial component for maintaining system integrity and compliance with UL standards.