Product Details
System Sensor's MDL3R (red) Module is designed to work with the SpectrAlert and SpectrAlert Advance series of notification appliances at 1 Hz and horns and chimes at temporal 3 over a single pair of wires. Patented module technology also allows the silencing of horns or chimes on horn/strobe and chime/strobe models over a pair of wires.
The SyncCircuit module is designed to power and synchronize either two 3-amp circuits wired in Class B, or one 3-amp circuit powered as Class A. 12 or 24 VDC