nVent Schroff, HORIZ.RAIL FRONT 28HP L OD, Horizontal Rail, Front, Type L-OD, Light, Without Lip, 28 HP, The horizontal rail without a lip enables the use of a 6 U front panel for a subrack which is split into 2 x 3 U., For installation behind full-width front panel, < 28 HP not to print, Without lip (L-OD), Aluminum extrusion, anodized finish, conductive contact surface