Water tight Photoelectric duct* smoke detector- *Does not include duct sampling tube. (DST3) SystemSensor (replaces"DH"model detector)

Water tight Photoelectric
duct* smoke detector- *Does
not include duct sampling
tube. (DST3) SystemSensor
(replaces"DH"model detector)

Product #: 51A D4120W

Volume: 0.1853

Description

Duct Smoke Detector; Type Photoelectric, 4-Wire, Low-Flow; Voltage Rating 24 Volt AC/DC or 120 Volt AC; Operating Temperature -4 to 158 Deg F; Size 14.38 Inch Length x 5 Inch Width x 2.5 Inch Depth (Rectangular), 7.75 Inch Length x 9 Inch Width x 2.5 Inch Depth (Square); Approval UL, MSFM; Operating Humidity Range 0 to 95 percent; Air Duct Velocity 100 to 4000 Foot per Minute; Application Indoor, Outdoor; Input Capacitance 270 Microfarad; Reset Time 0.03 to 0.3 Second (With RTS451), 0.6 Second (By Power Down); Power Up Time 35 Second; Alarm Response Time 15 Second

Additional Information: