What stands out about the unbranded brand is that the contact ratings are printed large, so you can read them fast.
110V 63A Adjustable Voltage Protector Over Under Voltage Relay DIN Rail 50/60Hz
The LY2F-DC12 is a general purpose relay that many hobbyists choose for its reliable coil voltage.
You will find that this unbranded relay pairs well with generic controllers, without any branding conflicts or odd fit issues.
This protection relay fits most enclosures, and it helps keep your setup protected without taking up much space.