The ABB KXT1ER-4PC kit is an essential accessory specifically designed for use with the XT1 series. This kit includes 4 pieces that are crucial for the optimal functioning of your XT1 devices. Each item in the kit is crafted to meet IEC standards, ensuring reliability and compatibility. The kit's UPC is 8886144172510, confirming its authenticity and quality assurance from ABB, a trusted name in the industry. Ideal for both replacements and upgrades, the KXT1ER-4PC kit is categorized as an accessory, making it a must-have for maintaining or enhancing your XT1 setup.