I like that it has a nice touch of being unbranded/general, so you can add your own labeling.
Various Manufacturers Electrical Supply 4 11 Pin Terminal Blocks With 7 Relays
Many folks that this relay has the Square D name, a brand they have used for years.
A nice touch is the INDUSTRIAL MRO brand, which looks clean and serious on the panel.
You will find that this unbranded relay is quiet in operation, with minimal hum or buzz during long runs.
This unbranded relay comes with a clear plastic cover, so dust stays out and you see the internals easily.
A nice touch is the sturdy casing on this unbranded relay, which feels solid without any rattles inside.
What the heavy duty switch relay is the clear markings that ease quick installation.
You will find that the Audiopipe brand appears on the packaging and the unit itself.
What stands out about the Allen-Bradley brand is how commonly it is recommended by peers.
You can tell the THC-15A model is well made, since the coil feels balanced and does not buzz when energized.