The FCP-75 has one built in signaling line circuit (SLC) that supports 75 IDP detectors and 75 IDP modules. The FCP-75 is capable of outputting 2.5A of output power during an alarm activation through 2 sets of terminals for the notification appliance circuits or an auxiliary application. Each circuit is power-limited per UL 864 and can source up to 2.5A during an alarm activation. The constant auxiliary power load must not exceed 1A for normal standby.