Overview the Notifier NBG-12LX:The Notifier NBG-12LX is a modern dual-action manual pull station with an addressable interface for any Notifier intelligent control panel except the FireWarden Series and the NSP25 panel. The NBG-12LX allows the control panel to view the exact location of the activated manual device, leading fire personnel quickly to the alarm location. (272.15 g); Normal operating voltage: 24 VDC; Maximum SLC loop voltage: 28.0 VDC; Maximum SLC loop current: 375 A;