What stands out about this unit is the Square D brand, a name that's been around for years.
New Square D 8501C06V20 Power Relay SPST-NO 30A@300VAC Coil 120V
This simple unit carries the Square D name, and that gives it a sense of staying power.
The Songle brand gives me confidence, and the pins feel solid when you seat them in a breadboard.
You will find that Dayton relays are easy to source replacements for if one ever wears out.
You will find that this power relay suits both small boxes and larger panels with ease.
One thing I like is that the G2RL-14-E 5VDC model appears in both title and description.
You will find that this power relay fits nicely into many circuits, making daily projects easier to handle.
The Allen-Bradley brand stands behind the relay, and that matters when wiring panels.
What stands out about RPM-Q2R20120-01 is the way it matches the rest of the series naming.
I appreciate the Omron name on this relay because it signals thoughtful manufacturing and support.