The AC Plus central unit is the device that manages the AC Plus access control installation. In it, the accesses (readers), users, relays, sensors, intercom boards, etc., of the installation are registered, and the user access restrictions are configured. It allows integrating the following functions: Access control for users. Vehicle control. Automation of services: on and off lighting, irrigation, etc. Technical alarms. Intercommunication. DIN-10 rail format to facilitate installation inside an electrical equipment box, or they can be screwed directly onto the wall. 12 VDC.