Based on this product's specifications, here are some alternatives and similar models
Enclosure touch protection module Rittal SV 9666.020, white polystyrol housing, 250×450 mm
Summary description:
Rittal SV 9666.020 is a touch protection module for electrical enclosures, supplied in white polystyrol. It fits openings with a width of 250 mm and height of 450 mm. Designed to provide safe separation and prevent accidental contact with live parts, it is used in control cabinets, distribution boxes and industrial panels.