The APEM A02ESI3B102IX0 is an industrial emergency stop switch incorporating an enclosure and available with an illuminated halo. This switch is designed for critical safety applications where immediate shutdown is required. The enclosure provides protection from the environment, while the illuminated halo enhances visibility in low-light conditions. It is suitable for use in a wide range of industrial settings, including manufacturing plants, machine shops, and automated systems. The switch offers a robust and reliable solution for ensuring operator safety and preventing accidents.