What stands out about the unbranded brand is the lack of logos, keeping the look consistent with other anonymous hardware.
A30-U3 DC Voltage Relay Detection Control Delay Switch Interval Action
This unbranded relay comes with a clear plastic cover, so dust stays out and you see the internals easily.
You will find that this unbranded relay is light but sturdy, making it easy to mount without extra brackets.
When I installed it, the RELAY AND CONTROL label matched my older gear, which made setup much smoother.
A nice touch is the contactor relay design, which helps manage heavier electrical loads with ease.