The Phoenix Contact ZB 6,QR:FORTL.ZAHLEN 151-160 marker strip is a crucial accessory for terminal block organization and identification. This 10-section strip is vertically labeled with consecutive numbers, ensuring easy differentiation between circuits and connections. Its white color provides high visibility, while the 6mm width is compatible with standard terminal block sizes. Ideal for industrial automation, control panels, and electrical distribution systems, these marker strips contribute to improved maintenance, troubleshooting, and overall system reliability. They are a simple yet effective solution for preventing misconnections and ensuring accurate circuit identification.