The 05.123N000 with Enclosure is a DIN railmountable electronic part manufactured by Italtronic. It features a three-pole terminal, nine-pole relay, voltage range from 10 to 250VAC, and a mounting screw for installation on the DIN rail. It is designed to provide secure connections, reliable protection, and accurate control of motors, heaters, and other electrical loads. It has a UL508C-UL, EN60947-1, and CE Certification, a basic insulation between all poles, and an IP20 protection degree.