Based on this product's specifications, here are some alternatives and similar models
Rubber Plug EMOS P0050 2P+Z 10/16A 250V IP44 black
Summary description:
Rubber plug EMOS P0050, 2-pole plus earth (2P+Z), rated 10/16A at 250V with IP44 protection. Designed for safe connection of electrical equipment in environments requiring splash and dust resistance. Suitable for temporary power connections, workshops, construction sites and outdoor use where a compact, protective plug is needed.