The Siemens catalog number 8US1211-4TM00 refers to a busbar adapter system designed to handle up to 80 amps of current, with a voltage range between 480 and 690 volts. This adapter is built to accommodate short-circuit currents up to 30 kiloamperes, ensuring reliable performance under demanding conditions. It features a 60 mm center-to-center spacing, making it compatible with S3 frame circuit breakers. Distributed by BSP Automation, this product offers a robust solution for connecting busbars in electrical installations, combining durability with precise compatibility for industrial applications.