System Sensor MDL3R NEXT Every FDOOT441 unit is a

Every FDOOT441 unit is a multi-purpose

package of 20

Devices can be mounted to pre-drilled and tapped (#6-32) holes in standard one-gang to five-gang mounting configurations

The basic K-270 Series have screw terminals for field connection

System Sensor MDL3R NEXT Every FDOOT441 unit is aThe Sync Circuit module synchronizes SpectrAlert Advance strobes 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 MDL3 Module is designed to work with the SpectrAlert and SpectrAlert Advance series of notification appliances to provide a means of synchronizing the temporal coded horns and