Based on this product's specifications, here are some alternatives and similar models
Enclosure panel Rittal TS 8609.150 — steel housing, grey, compatible with TS/PS, 1 pc
Summary description:
Rittal TS 8609.150 is a grey steel enclosure panel designed for use with Rittal TS and PS systems. Supplied as a single unit (1 pc) with a package weight of 780 g, it serves as a housing or mounting element in electrical and control cabinets. Suitable for replacing or expanding TS/PS cabinet interiors where a durable steel panel is required.