1746-0B16 is a Digital AC Output Module manufactured by Allen-Bradley, which is compatible with the SLC 500 family of programmable logic controllers (PLCs).

This particular module is designed to provide 16 output channels with a voltage rating of 85 to 265V AC at 0.25A. It uses triac switching technology to turn on/off the AC loads, which can be used across a variety of industrial automation applications.

Installation and configuration of the 1746-0B16 module can be done through the SLC 500 programming software, which allows the user to create a customized control logic for the module.