A nice touch is the clean finish from ELK, which resists scuffs and keeps the general purpose relay looking sharp.
Hager HR522 ELR Earth Leakage Relay 230V 0.03–10A Time Delay 50% Led Test HR 522
What stands out about this relay is the LRD badge, which hints at reliable performance without extra talk.
What stands out about this part is the Tyco Electronics build.
What stands out about this option is that it is a protection relay, making troubleshooting simpler when issues arise.