4-Wire Photoelectric Duct Smoke Detector with Low-Flow Technology
Air velocity rating from 100 to 4000 feet per minute 0.5 to 20.32 m/sec. Patented interconnectabillity for multi-fan shutdown up to ten air handlers Patented escopic sampling tube Patented cover tamper trouble signal 24 VAC/DC or 120/240 VAC operation High-Low voltage barrier Equipped with two DPDT Form C relay contacts Built-in reset button Outside mounting tabs Easyquick mounting to round or rectangular ducts from 1′–12′ 0.3–3.7 meters wide Easy to clean UL recognized field-replaceable power and sensor boards Remote test station option Remote sounder option Transparent cover for convenient visual inspection UL 268A listed