I/O system excom, 650 x 550 x 260 system housing, operating voltage 19.2.32 VDC, stainless steel quality 1.4404 (AISI 316L), with viewing window, flange plate equipped with plastic screw connections (4x M25 power supply, 4x M20 Ex-i bus, 96x M20 Ex-i I/O signals) and 1x M20 ventilation/drainage element, additional installation of Ex-e terminals (2x UT10, 2x UT10-BU, 2x UT10-PE) for connecting the supply voltage, stainless steel housing with built-in module carrier MT16-2G