SPEAKERS & SPEAKER/STROBES

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4-Wire Duct Smoke Detector

The DUCTSD 4-wire photoelectric duct smoke detector features a pivoting housing that fi ts both square and rectangular footprints and mounts to round or rectangular ductwork. This unit senses smoke in the most challenging conditions, operating in airfl ow speeds of 100 to 4,000 feet per minute, temperatures of –4°F to 158°F, and a humidity range of 0 to 95 percent (non-condensing). A plug-in sensor head offers simple installation and maintenance. The cover integrated smoke test port enables easy testing and maintenance.

4-Wire Photoelectric, integrated low-flow technology
Air velocity rating from 100 ft/min to 4,000 ft/min (0.5 m/s to 20.32 m/sec)
Versatile mounting options: square or rectangular configuration
Cover integrated smoke test port
Plug-in sensor offers the latest sensor technology
Broad ranges for operating temperature (–4°F to 158°F) and humidity (0% to 95% non-condensing)
Patented sampling tube installs from front or back of the detector with no tools required
Increased wiring space with an added ¾-inch conduit knockout
One easy-access Test/Reset button
Patented interconnect feature for multi-fan shutdown
High contrast terminal designations and wiring diagram label make wiring easy
Built-in short circuit protection from operator wiring errors
Two DPDT Form-C relay contacts
24 VAC/DC or 120 VAC
Compatible with existing System Sennsor duct smoke products, including remote accessories RTS151 and RTS151KEY

Item#:

DUCTSD

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Wall Speaker Strobe, Standard Candela, Red, Weatherproof

The SpectrAlert Advance SPSRK is a red, outdoor speaker strobe for wall installations with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd.

Item#:

SPSRK

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