The R13-203B84-01-BGGN1 part of SCI is a relay module manufactured by Phoenix Contact. It is a 24 VDC 8-contact relay module designed with 8 normally open contacts, LED indication, LED monitoring, and a baseplate for an easy connection to a Systems Control Interface (SCI) system. It is also UL/CSA approved, DIN rail mountable, and features an integrated bridge for protection against overloads and short circuits.