A nice touch is the matte finish on this unbranded relay, which resists fingerprints and looks tidy on aYou will find that this unbranded relay is easy to source, and the price stays reasonable for small projects.
12V 5 Pin Waterproof Relay Compatible with Onan Generator 30/40A
This protection relay fits most enclosures, and it helps keep your setup protected without taking up much space.
The JQC-3FF-S-Z runs clean, and I have not noticed any chatter or bounce.