What stands out about the unbranded brand is the lack of logos, keeping the look consistent with other anonymous hardware.
24V Fan Relay AC Switch 2 Pack – SPST for HVAC, Furnace, Blower, Humidifier
If you look closely, the model HH53P seems well-built and should fit many panels.
I like the blue body on this relay, it looks clean and matches many existing setups.
What stands out about the black finish is that it tends to look less flashy while still feeling solid.
Because it is black, the relay looks uniform when you group several units together in a row.
These general purpose relays show up a simple black unit, which keeps the overall appearance tidy and consistent.
You will find that the black finish helps keep the setup looking tidy even in busy cabinets.
You will find that AutomationDirect relays hold up in dusty panels, with contacts that feel solid after many cycles.
What stands out about the black color is how it hides minor sc installation and handling.
The black color is a nice touch because it helps the relay blend into dark enclosures and backplanes.