RX support bar W: 54 mm, RiLineX mounting rail for device adapter, Polyamide (PA 6) Fire behavior corresponding to UL 94, RAL 9005, 54 mm, 10 mm, 2.13 in, 0.39 in, 39269097, 8 pc(s), 0.159 lbs, , RiLineX support rails for device adapters of width 54 mm for 60 mm busbar systems. Without lateral displacement protection. For mounting surface-mounted devices with snap-on fastening on device adapters and device carriers.