The ABB KXT1ADP-4 is a high-quality accessory designed specifically for use with the XT1 4P circuit breakers. This mounting accessory ensures a fixed and secure installation, enhancing the performance and reliability of your electrical system. Certified by UL, the KXT1ADP-4 is built to meet rigorous safety and quality standards. Ideal for professional installations, this accessory is a must-have for ensuring a stable and durable setup.