A nice touch with the ARD4UR model is the compact footprint, and you will find that it leaves room for other parts.
CUTLER HAMMER TYPE R D40RPA-NO D40RPB.NC SER A2 120V 50/60 Hz POWEREED RELAY D40
You will find that the model RSS113024 shows up in search filters, making reorders a breeze online.
A nice touch is the KanSmart branding on top, and it makes the relay easy to spot.