What stands out about the ARD4UR model is the calm, steady operation in a busy cabinet, and you will find that noise stays low.
Relay 12V Timer Delay Off Trigger 10 Function XSSJM1AC/DC12V240V Mount
A nice touch is the Omron logo placement, making quick checks easy during installation.
A nice touch is that the P7TFOS16 comes with clear orientation marks for fast routing.