Siemens Aktiengesellschaft 6ES7390-1AE80-0AA0 Mounting Rail

Siemens 6ES7390-1AE80-0AA0 mounting rail is a SIMATIC S7-300 accessory that provides the mechanical platform for mounting S7-300 modules in control panels and equipment racks, enabling a tidy, serviceable backbone for legacy Siemens automation installations. The rail is 482.6 mm long and weighs about 647 g, and is identified by part number 6ES7390-1AE80-0AA0, manufactured by Siemens Aktiengesellschaft, reflecting its role as an official Siemens component designed to support compact, modular S7-300 configurations. This mounting rail ensures precise alignment and secure retention of plug-in modules along the rail, facilitating consistent spacing, reliable electrical contact, and easy module installation and replacement—key benefits in panel builds, retrofits, and maintenance of SIMATIC S7-300 systems. Available through Siemens Industry Mall and authorized distributors, it serves as a standard replacement part for S7-300 installations, helping engineers and technicians preserve original hardware layouts and simplify spares management.