The ABB KXTCAUECLW is a high-quality accessory designed for use with XT2 and XT4 circuit breakers. This accessory features 2 contacts and is compatible with a 400VAC x R.H.X configuration, ensuring reliable performance and compatibility. Ideal for enhancing the functionality of your electrical systems, this product is certified under UL standards, making it a dependable choice for both industrial and commercial applications. The robust design and precise engineering deliver enhanced durability and optimal performance.