MIRCOM D4120A InnovairFlex 4-wire Photoelectric Duct Smoke Detector

Photoelectric, integrated low-flow technology. Air velocity rating from 100 to 4000 ft/min (0.5 to 20.32 m/sec). Versatile mounting options in square or rectangular configuration with modular construction. Plug-in sensor offers superb false alarm immunity and the latest sensor technology. Broad ranges for operating temperature (-4 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 3/4 inch conduit knockout. One easy-access test/reset button and improved LED status. 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. Two DPDT form-C relay contacts. 24 VAC/DC or 120 VAC. Backward compatibility with existing Innovair products, including remote accessories.