I/O expansion, Supply voltage: 100 - 240 V AC, 110 - 220 V DC. In cULus applications applies 100-110 VDC to all V DC Information. Can be used via easyConnect, Mounting position: Vertical or horizontal, Protection type (IEC/EN 60529, EN50178, VBG 4): IP20, Standards: EN 61000-6-2, EN 61000-6-3, IEC 60068-2-6, IEC 60068-2-27, IEC 60068-2-30, IEC 60664, IEC 61131-2, EN 61010, EN 50178, cULus per UL 61010, CSA C22.2 No.61010 6 Base Unit Styles Available 8 Expansion Unit Styles Available Increase Inputs/Outputs Mounts to easyE4 Basic Device by Plug-in Connector