Based on this product's specifications, here are some alternatives and similar models
Rack rail Digitus DN-19-DIN-3U
Summary description:
The Digitus 483 mm (19") DIN Rail Holder is designed for efficient mounting of equipment in a 3U space. Made of durable steel, it features a grey finish and dimensions of 480 mm width, 150 mm depth, and 135 mm height. Ideal for organizing your electronic components securely on a DIN rail.