Overview:

"Remote NAC Extender. Provides (4) NAC Outputs for a combined output rating of 6.5A, or a max of 2A on any one output. Includes red enclosure (14"x16"), must be direct connected to 120VAC source, supports max of 14AH standby batteries ( (2) pair 12V,7AH batteries). Connects to GEMC Fire Bus and is fully supervised. Any or all NAC outputs may be configured as remote power supply outputs.
Supports Wheelock and System Sensor NAC synchronization. Maximum of (5) GEMC-NAC7S modules may be added to GEMC control panel allowing for a maximum of 20 additional NAC circuits.
May also be used universally as NAC extender on any UL approved FACP; provides input triggers and trouble outputs."