Based on this product's specifications, here are some alternatives and similar models
Electrical plug LP WT-30-2 with grounding, unischuko type, black
Summary description:
LP WT-30-2 is a black unischuko-type electrical plug with grounding designed for connecting appliances to grounded mains sockets. Model URZ3009 (EAN 5902694002610) provides protective earth contact and a compact inline housing suitable for household and light commercial use. Intended for installation where grounded Schuko-compatible connections are required.