QHB285 Duct Smoke Detectors Photoelectric, 4-wire, Universal Voltage

QHB285  Duct   Smoke Detectors Photoelectric, 4-wire, Universal Voltage from ADVANCED DIGITAL TECHNOLOGIES (PTY) LTD

By: ADVANCED DIGITAL TECHNOLOGIES (PTY) LTD  08-15-2016
Keywords: QHB285 Duct Smoke Detectors Photoelectric, 4-wire, Universal Voltage

QHB285 duct smoke detector, with its Photoelectric, 4-wire, Universal Voltage rating, Technical Specs Item Duct Smoke Detector Type Photoelectric Finish Clear Plastic Mounting Surface Alarm Current 35 mA Standby Current (uA) 25 Depth (In.) 1-7/8 Height (In.) 5-7/16 Length (In.) 14-1/2 Ambient Temp. Limits (F) -20 to 158 Air Velocity (FPM) 100 to 4000 Humidity Range (% RH) 20 to 95 Standby State (mA) 25 Voltage 20 to 31 VDC, 24V DC, 24V AC, 120V AC, 220/240V AC Package Quantity 1

Keywords: QHB285 Duct Smoke Detectors Photoelectric, 4-wire, Universal Voltage

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ADT ADVANTAGES • Targeted suppression that attacks the fire where it starts • Detecting the fire at its source interrupts the fire at its earliest stages, usually well before other systems can react • Lower cost and more environmentally friendly due to its ability to use smaller equipment and less total suppressant • Enhanced people safety by operating inside the hazard space, not where people are present • Does not require electrical sources, battery backups or control panels