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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

SL2000 Series Duct Smoke Detector

24 VAC/DC or 120/240 VAC operation
Simple change-out of photo or ion detector heads
Low flow air velocity rating from 100 to 4000 FPM
UL, CSFM and MEA Listed
Two (2) sets of 10A form “C” alarm contacts
One (1) set of 10A form “C” trouble contacts
Easy and quick mounting to round or rectangular ducts from 1’ – 12’ wide
Clear cover for convenient visual inspection
Built-in reset switch that is also an alarm test switch