The 19' multipacPRO chassis features high mechanical stability due to the construction of the support frame. Aluminium extrusion front panel and aluminium or steel sheet rear panel are bolted to aluminium or steel extrusion side panels. The 19' multipacPRO chassis are available in two versions – steel (Al-Zn coated) with the height of 1/2 U and aluminium with the height of 1/2/3/4/5 U. The chassis are available in the depths from 220 to 460 mm. The available top covers are plain, perforated or for interior installation and are top- and bottom-bolted. In addition, handles can be bolted on from front. The 19' multipacPRO chassis can also be fitted with EMC gaskets to upgrade them to the EMC shielded version. The 19' europacPRO subrack components can be installed in the chassis, offering the user an extensive range of compatible elements. The 19' multipacPRO chassis can be installed in 19' cabinets together with telescopic slides. The 19' multipacPRO all aluminium chassis can be easily modified by dismantling the rear panel. With no additional shielding materials, the chassis can be shielded up to 30 dB at 1 GHz. Perforated top/bottom covers.