Camdenboss din rail mounting module kits camdenboss cnmb3kit the camdenboss cnmb3 din rail mount box 53mmm is from a range of module boxes designed to din 43880 manufactured in grey polycarbonate ul 94v 0 flame retardant material these are complete kits of the cnmb boxes including terminal guards and panel covers camdenboss cnmb3kit cnmb3 din rail mount box 53mmm