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  GE Security GEC-721UT 2-Wire Fast Response Photoelectric Smoke Detector

GE Security GEC-721UT 2-Wire Fast Response Photoelectric Smoke Detector


Our Price : $46.51

Product Code: GEC-721UT


The 721UT from GE Security is a 2-Wire Fast Response Photoelectric Smoke Detector, w/Remote Alarm/Trouble LED, and Heat Sensors, 12/24VDC. Fast Response Photoelectric Smoke/Heat Algorithms. Remote Alarm/Trouble LED. S10A Compatible. the 700 series detectors feature an interchangeable head and base with a light-scattering optical sensor that provides stability and excellent response to a wide range of fires. A pulsed infrared LED light source and a high-speed photodiode sensing element are housed in an omni-directional sensing chamber, which is protected by an insect screen. For easy cleaning, the detector features a fieldreplaceable optical chamber. Built-in drift compensation automatically adjusts the sensitivity as the detector gets dirty.


Model: 721UT
Alarm Current Consumption[Maximum]: 60.0 mA
Color: White
Detector Head Depth[Nominal]: 1.75 inch
Detector Head Diameter[Nominal]: 4.0 inch
Drift Compensation Adjustment: 1 %/ft
Field Wiring Size[Minimum]: 12.0 AWG
Field Wiring Size[Maximum]: 24.0 AWG
Height[Nominal]: 1.98 inch
Maximum Ripple[Maximum]: 10.0 %
Packaging Basis[Nominal]: 10.0 per carton
Regulatory Approval: UL 268
Relay @ Contact Rating: 1.0 A @ 120.0 V
Remote LED Output Current[Minimum]: 5.0 mA
Remote LED Output Current[Maximum]: 8.5 mA
Reset Time[Maximum]: 1.0 s
RFI Immunity @: 20.0 V/m @ 1000.0 MHz
Sensitivity - Photoelectric[Minimum]: 1.85 %
Sensitivity - Photoelectric[Maximum]: 3.2 %
Sensitivity - Photoelectric[Nominal]: 2.85 %
Standby Current Consumption[Nominal]: 70.0 ľA
  • Interchangeable head and base design
  • Intelligent, self-diagnostic
  • Built-in drift compensation
  • Field-replaceable optical chamber
  • Low-profile design
  • Advanced false alarm immunity
  • Widest 2-wire compatibility listings
  • Meets NFPA 72 field sensitivity testing requirements without the need for external meters

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