The Allen Bradley 20-DA1-B0 PowerFlex 700 I/O Option 115VAC The Allen Bradley 20-DA1-B0 PowerFlex 700 I/O Option is a state-of-the-art accessory designed to enhance the functionality of your PowerFlex 700 drive systems. Operating on 115VAC, this I/O option facilitates seamless integration and communication within your automation processes, ensuring optimal performance and operational efficiency. ##