The Phoenix Contact ZB 5,QR:FORTL.ZAHLEN 41-50 marker strip provides a simple and effective solution for identifying terminal blocks. This 10-section strip is vertically labeled with consecutive numbers from 41 to 50, ensuring clear and organized labeling. The white color enhances visibility and readability. It is commonly used in electrical panels, control cabinets, and other industrial settings where precise identification of terminal blocks is crucial for maintenance, troubleshooting, and ensuring proper circuit functionality. The marker strip's compact size (5mm width) makes it suitable for a wide range of terminal block applications.