nVent Schroff, MULTIPAC PRO 4U 340D PERFORATED COVERS, MultipacPRO 19" Chassis, Aluminum, Perforated Top and Base, 4 U, 340 mm, This 19” chassis is a form of subrack which accepts horizontal board mounting or the mounting of non-standard components like transformers or other heavy load accessories typically mounted on a chassis plate., Aluminum construction, Detachable front and rear panel for easy machining, IP 20, in accordance with IEC 60529, Supplied as space-saving flat-pack, Modifications such as cutouts, different finishes or dimensions available, Internal and external dimensions in accordance with: IEC 60297-3-100, -105, EMC shielding: Approx. 20dB(A) at 2 GHz without shielding material. >40dB(A) at 1 GHz with addition of stainless steel gasket between front panel and case body