This SICK relay has a neat, simple look that I appreciate on the bench.
Goodspec Relay DPST HLR9400-1XAQ1AB 14 FLA 125V 24 vac Coil
This relay comes from PHOENIX, and that brand reputation matters when reliability is important.
A nice touch is the CSPC name on the case, which suggests careful manufacturing and consistent quality control.
A nice touch is the Switch Harness Set, and it feels sturdy enough for repeated use.