Profile: Domino Engineering Corp. manufactures and distributes keypads & other electrical accessories for residential & commercial overhead & entry doors. We also perform contract electrical design and assembly for start-up and established companies. Safety reverse converter provides an inexpensive method to convert an older or newer style commercial operator to safety reverse when wired with a sensing device like a photo eye or a bottom door edge. The SRC can be added to virtually any three button controlled commercial operator that has 24VAC, open, stop and close capabilities.