Many folks appreciate the White-Rodgers brand on this general purpose relay, recognizing it from past repair jobs.
White Rodgers 12FLA 60LRA Type 91 Relay 125V 6FLA 35LRA HVAC Service Part
A nice touch is the clear White-Rodgers label, which makes it simple to match this relay with others.
It is a nice touch that the PLC-RSC-24UC/21 is clearly marked, reducing guesswork during installation.
A nice touch is the small LED indicator near the relay switch for status.