Based on this product's specifications, here are some alternatives and similar models
Electrical enclosure cover plate Rittal 9684.900 — stainless steel, steel material
Summary description:
Rittal 9684.900 is an electrical enclosure cover plate made of steel with a stainless-steel finish. Designed as an accessory for electrical cabinets, it provides a protective closure and touch protection for openings. The product is suitable for industrial control cabinets and distribution enclosures where a durable steel cover plate is required.