excom I/O System, System Enclosure 460 x 550 x 260, Operating voltage 19.2…32 VDC, Stainless steel quality 1.4404 (AISI 316L), With inspection window, Receptacle plate equipped with plastic cable glands (4 × M25 power supply, 4 × M20 Ex-i bus, 66 × M16 Ex-i I/O signals) and 1 × M20 breather/drainer, Additional installation of Ex e terminals (2 × UT10, 2 × UT10-BU, 2 × UT10-PE) for connecting the supply voltage, Stainless steel housing with built-in module rack MT08-2G and Modex filter