You Schneider Electric brand sits on the relay, a detail that matters during procurement.
New Lot of 3 Schneider Electric RSZE1S48M 12A/300VAC Relay Socket Base
A nice touch is the labeled terminals on the relay base w/ relay for straightforward connections.
The relay and socket design makes replacement a breeze, especially during busy maintenance windows at the plant.
A nice touch is how cleanly the Zaplyte relay switches without harsh chatter.