Shuttle DIN-Rail Mounting Kit for Shuttle XPC Slim Series in 1.3litreformat P/N 80R-QDIR01-0000 A DIN-Rail is a metal rail widely used for mounting electronic control equipment inside equipment racks. The Shuttle XPC accessory DIR01 allows the installation of 1-litre XPC slim barebones on a standard 35 mm DIN-Rail. Should the required VESA mount (100 x 100 mm) not be included with your Shuttle XPC, it is available optionally.