System Sensor DUCTSD - 4-Wire Photoelectric Low-Flow Duct Smoke Detector, 24 VAC/DC, 120 VAC, 50-60 Hz
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System Sensor DUCTSD - 4-Wire Photoelectric Low-Flow Duct Smoke Detector, 24 VAC/DC, 120 VAC, 50-60 Hz

$99.99
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The System Sensor DUCTSD Series duct smoke detectors with a cover integrated smoke test port and flexible configurations provide efficient installation and maintenance.Features 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) A patented sampling tube installed 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 labels 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

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