The X11SN Solid State Annunciator is designed for the process and power industries’ basic requirements, providing the most economical approach while maintaining Ronan Systems high quality and performance standards. This system is easy to install and requires minimal operator training and maintenance. It features Monoalarm, Dualalarm, Trialarm and Quadalarm based within Ronan Systems standard 3.5″x3.5″ mechanical cabinet models.