Based on this product's specifications, here are some alternatives and similar models
19" 1U DIN Rail ProBase CO-DIN-RAIL-1U for Automatic Switches - 1U, 19-inch, DIN-rail mount
Summary description:
ProBase 19" 1U DIN Rail CO-DIN-RAIL-1U is a 1U, 19-inch DIN-rail mounting accessory designed to hold automatic switches and modular devices in control cabinets and distribution panels. It provides standardized 19"/1U form factor and DIN-rail compatibility for tidy installation, simple device attachment, and reliable mechanical support in industrial and infrastructure installations.