The Phoenix Contact ZB 5,LGS:FORTL.ZAHLEN 171-180 marker strip is a crucial accessory for terminal blocks, ensuring clear and consistent identification of connections. This 10-section strip is horizontally labeled with consecutive numbers from 171 to 180, making it ideal for applications requiring sequential numbering. The white color provides high contrast and readability. These marker strips are commonly used in industrial automation, control panels, and electrical distribution systems to improve organization and troubleshooting efficiency. They contribute to safer and more reliable electrical systems by reducing the risk of misidentification and errors.