Allen-Bradley 1794-OA8I Flex I/O 8-Channel AC Output Module By wayne No Comments on Allen-Bradley 1794-OA8I Flex I/O 8-Channel AC Output Module 3 Min Read Buy the Allen-Bradley 1794-OA8I Flex I/O digital output module. This unit features 8 isolated 120V AC outputs with a 4.0A rating for reliable actuator control.