The construction of Delta B comes from Delta S. The difference is in doors. The glass or fully metal doors can be opened in a range of 180° thanks to its robust hinges. The cabinet is produced in versions 4S and 5S. Height of the cabinet will not differ from original products. Numbers show us an approximate depth of the cabinet in decimetres. Exact sizes and other technical parameters are shown in the tablet of each version.Very important parts of the cabinet are cable entries, which are located in the upper and in the bottom side. Entries are covered with a “break-out” style blanking panels, which can be broken out by a screwdriver, for example.All 19” components are installed on the vertical rails, which can be easily adjusted back and forth in depth of the cabinet. Perforation provides natural air circulation and also cooling of installed components.Perforation ensures natural cooling of installed equipment. The cooling can be if necessary forced by 19” fan units.