You will find that the unbranded/general look helps when you're building kits for teaching or hobby use.
5PCS G3MB-202P-12V DC-AC PCB SSR In 12VDC Out 240V AC 2A Solid State Relay
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.
The Omron brand resonates well, and that matters when reliability affects your design outcomes.
Because it's unbranded/generic, this relay blends into kits where a neutral appearance is preferred.