Delock D-Type Module Protective Cover, Black/Transparent - Dust Protection with Automatic Flap Door The protective cover for D-Type modules by Delock reliably protects unused or temporarily occupied connections from dust, dirt and mechanical influences. Due to the integrated flap door with spring mechanism, the cover closes automatically after use. It is specially designed for D-Type module openings, is easy to install and, thanks to its robust design, is suitable for continuous use. The double-sided adhesive film supplied also allows quick and easy installation on smooth surfaces. Technical details