The PHOENIX CONTACT ZB 5,LGS:FORTL.ZAHLEN 231-240 marker strip is a crucial component for maintaining organized and easily identifiable terminal blocks in electrical panels and industrial control systems. This 10-section marker strip is horizontally labeled with consecutive numbers, providing a clear and sequential identification system. Its white color offers excellent contrast for readability. The marker strip is designed for use with compatible terminal blocks, ensuring secure attachment and long-lasting legibility. It's commonly used in automation, power distribution, and control cabinet construction to simplify troubleshooting and maintenance.