What stands out about this item is the classic White-Rodgers branding that many people already know and trust.
White Rodgers 90-342 91-903 RBM Type 91 Relay DPDT 208/240VAC HVAC
A nice touch is the Schneider Electric mark, which helps the relay feel like part of a broader system.
You will find that the NVX BIR500 mates with standard terminal blocks in many panels.