Risco, supervised 3.5A power supply, connecting to Risco Bus, remote diagnostics, can be easily installed into any of the RISCO boxes, compatible with LightSYS+ only. The 3.5A Power Supply expansion module is a reliable and cost-effective solution for installers with the flexibility of installing it in its own enclosure away from the control panel, while remaining fully supervised. The panel continuously monitors all functions of the power supply including AC power fail, low battery, output voltage, current overload conditions. A fault message will appear on the keypad as well as a report of the event in case of a problem. The 3.5A Power Supply vs a cost-effective solution that can be easily installed into any of the RISCO boxes, allowing installers to use the box of their choice. It is shielded by a robust plastic casing with optimum protection. This minimizes the possibility of any damage occurring during the transportation or installation process. The identification of the power supply is done automatically with the Bus Scan and not with a DIP switch. The 3.5A Power Supply is compatible with LightSYS+ only.