System Sensor Filtrex Smoke Detector provides early warning smoke detection in difficult environments where traditional smoke detectors are not practical. Filtrexprovides protection in dirty, dusty environments that tend to cause false alarms with standard smoke detectors.

Intelligent communications High density filter removes particulate down to 25 microns Air delivery system is separately powered and fully supervised Filter is easily field replaceable Resistant to water spray in applications where occasional hose-down cleaning is performed Optional remote LED accessory Rotary decade address switches Compatible with 200 and 500 Series products’ protocol No modification required to panels compatible with System Sensor intelligent photoelectric smoke detectors

3.5″ (8.9 cm) H x 6.1″ (15.5 cm) diam, in B501B-FTX base Weight 7.3 oz. (207 grams) Signaling Line Circuit Supply Range 15-32 VDC Detector Current (max. avg.) 250 μA @ 24 VDC (without communication) 360 μA @ 24 VDC (one communication every 5 seconds with LED enabled) External/Auxiliary Power Supply Voltage Range 15–30 VDC (filtered) External/Auxiliary Power Supply Maximum Current 123 mA External/Auxiliary Power Supply Avg. Current 27 mA Temperature Range 32º to 122°F (0° to 50° C) Relative Humidity 10% to 93% noncondensing Air Intake Fan On 5 seconds every 30 seconds Filter Airflow checked every 4 hours