The simple look is a nice touch, and the unbranded/general style keeps things flexible for users.
POTTER & BRUMFIELD KUP-14A55-120 RELAY ($14 OBO)
You can pair the UE10-3OS2D0 with compact panels, since the footprint leaves room for tidy wiring.
what stands out about this relay is the Functional Devices, Inc. name on the package.
You will find that the MICTUNING brand makes sorting parts a little simpler during a busy project.
A nice touch on the THC-15A model is the small ridge, which makes pulling it out much less frustrating.
A nice touch is shell, and the GE label is easy to read.
A nice touch is the Potter & Brumfield brand plate, which gives the relay a classic, no-nonsense look.