SCALANCE XF204-2BA managed IE switch, 4 x 10/100 Mbit/s, IEC 62443-4-2 certified; 2 x BusAdapter interface, error signaling contact, set pushbutton, redundant 24 V DC power supply, PROFINET device, extended temperature range -40 °C...+70 °C, conformal coating, with electr. manual on DVD, C-PLUG optional, supplied without BusAdapter