Based on this product's specifications, here are some alternatives and similar models
Modular Surface-Mount Distribution Box ELEKTROPLAST SRn-36/B 3x12, N+PE, IP40 (model 1.136)
Summary description:
Modular surface-mount distribution box ELEKTROPLAST SRn-36/B (model 1.136) configured for three rows of 12 modules each (3x12) with neutral and protective earth (N+PE) terminals. Rated to IP40, designed for indoor electrical installations to house circuit breakers, residual-current devices and other DIN-rail modules. Suitable for residential and light commercial distribution and maintenance access.