TS punched section with mounting flange, 23 x 73 mm, for TS, SE, for W/D: 400 mm, PS System Chassis 23 x 73 mm for TS, VX SE, Carbon steel, Zinc-plated, Assembly screws, 73269098, 4 pc(s), 3.086 lbs, 4028177290228, Mounted directly on horizontal TS enclosure profiles. Can only be mounted on vertical TS enclosure profiles using an adapter. Simply locate into the TS punchings and secure.