Notifier MDL3R Sync-Circuit Modules

Notifier MDL3,red Module is designed to work with the SpectrAlert Advance series of notification appliances to provide a means of synchronizing the temporalcoded horns and chimes, synchronizing the one-second flash timing of the strobe, and silencing the horns and chimes of the horn/strobe and chimehttps://stockonfire.com/wp-content/uploads/2025/01/strobes combination over a two-wire circuit while leaving the strobes active. MDL3 is intended to connect to UL or ULC listed FACP or its NAC accessories (e.g. a boost module, etc.)