The PHOENIX CONTACT part 3003020 is an end cover designed for electrical components. With a length of 42.5 mm, width of 1.8 mm, and height of 35.9 mm, this end cover ensures a secure and protective enclosure for your devices. The gray color adds a sleek and professional look to your setup. This end cover is a reliable solution for safeguarding your electrical components and maintaining a clean and organized installation.