The Phoenix Contact ZB 6,QR:FORTL.ZAHLEN 141-150 marker strip is a crucial accessory for terminal blocks, ensuring proper identification and organization of connections. This 10-section strip is vertically labeled with consecutive numbers, facilitating easy tracking and troubleshooting in industrial automation, electrical distribution, and control panel applications. The white color provides high visibility, while the compact 6mm width is suitable for a wide range of terminal block systems. Proper labeling is essential for maintaining system reliability and reducing downtime.