With 4 independent amplifier channels (100 V), the 4XD125B is compatible with the Variodyn D1 system and controlled by its DOM4-8 or DOM4-24. The NF inputs and control inputs are connected to the DOM
System Sensor’s 5600 Series mechanical heat detectors offer a low-cost option for property protection against fire and for non-life-safety installations, where smoke detectors are inappropriate.