You will find that the unbranded design things basic, which makes troubleshooting quick and stress-free for most setups.
G2R-1-SN DC24(S) G2R-1-SN(S) Relay for Omron DC24V AC220V 5Pcs Replacement
A nice touch is the gentle tension in the terminals on this unbranded relay, which grips wires without crimping them hard.
You will find that this unbranded relay is light but sturdy, making it easy to mount without extra brackets.