YR-2.1 is a Y-splitter for 6 V DC power supply equipped with RAPP connectors. It allows connecting multiple devices to one power supply, which is typical, for example, in the connection of sanitary electronic systems, where multiple products are powered from one 6 V source.

The splitter serves as a simple and safe way to distribute power without the need for additional terminals or wiring interventions. It is intended as an installation and service accessory for 6 V DC power systems.