What stands out about the unbranded brand is the lack of logos, keeping the look consistent with other anonymous hardware.
New H3Y-2 H3Y-2-C H3Y-4 H3Y-4-C DC AC 12V 24V 110V 220V 10S 30S 60S 3M 30M 60M
I picked this because the Omron brand is well known for consistent builds and easy wiring.