Simplex 4009-9201BA Notification Appliance Circuit (NAC) Power Supply Booster

The Simplex 4009-9201BA is a high-performance Notification Appliance Circuit (NAC) Power Supply Booster designed for fire alarm systems. This model provides 6 amps of power across four Class B or two Class A NAC outputs, making it suitable for powering horns, strobes, and other alarm notification devices. It supports synchronization protocols for Simplex, Wheelock, and Gentex appliances and includes built-in diagnostics, battery charger, and trouble signal relays. Its remote trouble reporting, resettable outputs, and wide operating voltage range enhance reliability and integration into larger life safety systems. Compact and easy to mount, the 4009-9201BA is ideal for both retrofit and new installations in commercial or institutional buildings that require expanded notification capacity. It operates on 120VAC and includes space for backup batteries, ensuring continued operation during power interruptions.