Based on this product's specifications, here are some alternatives and similar models
Measurement adapter Benning ST 32A CEE-CEE — CEE 32A test/measurement coupling
Summary description:
Benning ST 32A CEE-CEE measurement adapter (BG044128) is a CEE-CEE coupling designed for safe connection of portable testers and measuring instruments to 32A three-phase CEE sockets. It provides a secure interface for conducting electrical measurements, functional tests and fault detection on industrial and construction site installations where 32A CEE outlets are used.