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4-Wire Photoelectric Duct Smoke Detector

Item # D4120

Manufacturer Item # D4120

Sold As: EA

Overview

The D4120 is a 4-wire photoelectric low-flow duct smoke detector.

Features:

4-Wire Photoelectric, integrated low-flow technology
Air velocity rating from 100 ft/min to 4,000 ft/min (0.5 m/s to 20.32 m/sec)
Versatile mounting options: square or rectangular configuration
Plug-in sensor offers superb false alarm immunity and the latest sensor technology
Broad ranges for operating temperature (-4°F 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 ¾-inch conduit knockout
One easy-access Test/Reset button and improved LED status
Patented interconnect feature for multi-fan shutdown
Two DPDT Form-C relay contacts
24 VAC/DC or 120 VAC

Product Name	4-Wire Photoelectric Duct Smoke Detector

Brand Name	System Sensor

Mfg #	D4120

Length	14.38 in

Width	2.50 in

Height	5.00 in

Operating Voltage	120 VAC / 24 VAC/VDC

UPC	783863034411