Based on this product's specifications, here are some alternatives and similar models
Portable insulated plug Tarel 3P+Z 4P 16A 400V with screw terminals IP44 (model 104)
Summary description:
Portable insulated plug Tarel model 104 is a 3P+Z (4P) industrial connector rated 16A and 400V. It features screw-type terminals for secure conductor connection and an IP44 housing for splash and particle protection. Designed for temporary power distribution, construction sites, and mobile equipment where a robust, weather-resistant plug is required.