4-Wire Photoelectric Duct Smoke Detectors - Adjustable Mount

• Photoelectric, integrated low-flow technology
• Air velocity rating from 100'/min to 4,000'/min
• Pivoting housing fits square and rectangular footprints and mounts to round or rectangular ductwork
• Plug-in sensor offers false alarm immunity and 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 a newly added .-inch conduit knockout
• One easy-access test/reset button and improved LED status
• System Sensor's patented interconnect feature for multi-fan shutdown
• New high contrast terminal designations
• Built-in short circuit protection from operator wiring errors
• Field selectable settings for configuring the detector
• (2) DPDT Form-C relay contacts
• 24VAC/DC or 120VAC
• UL Listed