you will find that it says Functional Devices, Inc. on the label, which I like.
Functional Devices RIBU1C Enclosed Pilot SPDT Contacts Control Relay
Functional Devices, Inc. is the brand here, and that gives me more confidence installing it.
you will find that functional devices, inc. is the brand on this relay, adding credibility.
What stands out about this piece is the RIB brand, giving it that recognizable look for quick identification.