The DS280 Series are low profile, photoelectric system type smoke detectors. The patented chamber design provides superior immunity to false alarms caused by dust. ChamberCheck self-diagnostics allow the sensitivity to be verified by simply looking at the detector LED. Several different models are available, offering a wide variety of features and outputs.

The DS284THE is a basic photoelectric 4-wire smoke detector with a built-in +135°F (+57°C) heat sensor and an EOL relay. Compatible with all UL Listed 4-wire control panels. Refer to the control panel's Installation Instructions for EOL resistor selection.