You will find that this unbranded relay is quiet in operation, with minimal hum or buzz during long runs.
Crydom EL240A20-24 20A @ 24-280 VAC Control 21-27VDC Zero-crossing 855444 Relay-
What stands out about RELAYCAR24 is the clear labeling, which helps you avoid grabbing the wrong relay later.
Bradley puts their name in a spot that is easy to see, and you will find that helpful.
What stands out about this TRAKTRONIX relay is how neatly everything is assembled for clean connections.
A nice touch is the straightforward labeling of model 31016, so you can confirm what you have without second guessing.
You will find that the solid-state relay module pairs well with common microcontroller outputs.