19" Installation System Profile Rails Horizontal rails and mounting frames for interior fitting with one or two 19" levels for wall enclosures, single enclosures and bayed enclosures. Profile Rails 19˝ Fittings (Rails) Profile rails for 19" installation. Read more Profile Rails 19˝ Fittings (Frames) Mounting frames for 19" fittings. Read more Profile Rails Accessories for Profile Rails Accessories for profile rails. Read more