Many users pick this relay because it carries the Square D brand, a name they have used before.
Square D 8536SAG12V02H30S 2HP 600V 3P Magnetic Motor Starter
You will find that the Honeywell brand on the relay adds a nice touch of credibility to your setup.
You will find that the RIB brand sits cleanly on the side, and the markings remain easy to read.
You will find that the unbranded design things basic, which makes troubleshooting quick and stress-free for most setups.