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DSD Series – Duct Smoke Detector

4-Wire Photoelectric, integrated low-flow technology
Low flow air velocity rating from 100 to 4000 FPM
Plug-in sensor offers superb false alarm immunity and the latest sensor technology
24 VAC/DC or 120/240 VAC operation
Two SPDT Form-C relay contacts
Easy and quick mounting to round or rectangular ducts
One easy-access Test/Reset button and improved LED status
Patented sampling tube installs with no tools required
cULus and FM Approved