A nice touch is the AMP brand label, which stays legible even after frequent handling.
GEC ALSTHOM QUADRAMHO SHPM 101 Static Distance Protection Relay
You will find that this unbranded relay is simple to install, with clear terminals and a compact body for tight spaces.
With the VF4-15F11, the coil voltage is easy to spot, and a nice touch is how neatly it snaps into place.
What stands out about the 20301-84 is the smooth, confident click when engaged.
A nice touch is the consistent coil performance, which helps when testing the LY2NJ in multiple setups.
You will find that Phoenix Contact relays are widely available, so getting replacements does not turn into a long wait.
You will find that the protection relay is easy to test, which helps you verify safe operation before going live.
You will find that the protection relay responds fast, helping prevent damage during overcurrent and voltage spikes.
You will find that the override switch is snug on the unit, so it does not snag on cables.
I like that this relay is from Tyco Electronics, a reliable maker.