Based on this product's specifications, here are some alternatives and similar models
Mounting plate Rittal SV 9683.604, steel housing, single piece, closed
Summary description:
Rittal SV 9683.604 is a steel mounting plate designed for enclosure interior installation. Supplied as a single closed plate in steel finish, it serves as a robust base for mounting electrical components, terminal blocks and control equipment inside housings. Suitable for industrial control cabinets and electrical enclosures requiring a durable internal mounting surface.