MARATHON/KULKA's CB20901X terminal block covers provide a secure and organized solution for circuit identification and protection. Constructed from durable white vinyl, these covers are equipped with nylon spring clips for easy mounting and feature marking strips printed with letters or numbers for clear circuit labeling. Available in a range of print styles (01A, 01B, 01C, 01D, 07A, 07B, 07C, 07D) and series to accommodate various terminal block configurations. These covers are suitable for industrial automation, control panels, and other electrical applications where clear circuit identification is essential.