The heavy duty relay's timer is a nice touch, and it helps keep projects moving along nicely.
Relay 12V Timer Relay Delay Off Trigger Multifunctional DIN Rail Mount
What stands out about the ARD4UR model is the calm, steady operation in a busy cabinet, and you will find that noise stays low.
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.