The Phoenix Contact ZB 5,LGS:FORTL.ZAHLEN 81-90 marker strip is a crucial accessory for terminal block organization and identification. This 10-section strip is horizontally labeled with consecutive numbers from 81 to 90, ensuring clear and consistent marking. Its white color provides high visibility, and the 5mm width is optimized for compatibility with standard terminal blocks. Ideal for industrial automation, control panels, and electrical distribution systems, this marker strip simplifies maintenance and troubleshooting by providing instant identification of terminal block functions. Purchase online for a secure and efficient way to manage your terminal block labeling needs.