Based on this product's specifications, here are some alternatives and similar models
Swing frame Rittal VX 8619.540 — 19" (48.3 cm) steel, grey, width 482.6 mm
Summary description:
Rittal VX 8619.540 swing frame for 19" equipment, made of steel with a grey finish. Designed to mount and pivot rack-mounted devices within enclosures, it fits a 48.3 cm (19") mounting pattern and provides a 482.6 mm usable width. Suitable for server, network and industrial control installations where accessible front mounting and maintenance are required.