(1) HART RELAY WU115A2-902

You will find that the relay works well with common drivers, and that makes integration into hobby projects feel intuitive.

You will find that the relay stays cool to the touch even after repeated cycles, which adds confidence during longer testing sessions.

A nice touch is the clear datasheet notes, which help you understand the relay behavior before you finalize your wiring.

A nice touch is the compact footprint, so the relay does not crowd other parts on crowded breadboards or panel layouts.