The 07.311.0155.0 is an end plate accessory for Wieland Electric terminal block systems. It is manufactured from 1.5 mm thick material in gray color and is designated as type AP 2.5-4, designed to work with feed-through and other terminal block configurations. This end plate serves as a protective and structural component for terminal block assemblies mounted on DIN rail systems (TS 35 rail, 7.5 mm or 15 mm high per EN 60715). The product is supplied in standard packs of 10 units and is compatible with various Wieland terminal block types including WK 2.5/U, WK 4/U, and related variants. It is commonly used in electrical distribution and control panel applications where secure terminal block enclosure and organization are required.