Based on this product's specifications, here are some alternatives and similar models
Enclosure ELEKTROPLAST UNI-1 UNI BOX 400×300×166 mm IP65 — model 43.1
Summary description:
ELEKTROPLAST UNI-1 UNI BOX enclosure model 43.1 sized 400×300×166 mm with IP65 protection. Designed for housing electrical and electronic components, it provides dust-tight and water-resistant protection for indoor and outdoor installations. Suitable for control panels, junctions, meters and industrial automation where degree of protection and component mounting space are required.