Weidmüller's modular electronics housing system CH20M for individual electronics solutions with a universal mounting rail bus, comprises two power tracks, one signal track and two data tracks. All bus tracks are rated for 5 A. The mounting rail bus can be easily integrated in the TS 35 top-hat rail to replace expensive wiring. A unique characteristic of this electronics housing system is the universal connection across all housing widths, from 6 mm to 12.5 mm through to 67 mm. The SMD-bus contact block supports automatic component assembly.