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  GE Security GEC-521NCRXT Photoelectric 2-Wire Smoke Detector with CleanMe

GE Security GEC-521NCRXT Photoelectric 2-Wire Smoke Detector with CleanMe


Our Price : $44.42

Product Code: GEC-521NCRXT


The 521NCRXT from GE Security is the 500N series two- and four-wire conventional photoelectric smoke detectors bring together trusted technology and a full line of features to meet the demands of every type of application. The 500N offers sounder models in two- and four-wire applications, specifically to meet residential code requirements. The 521NCSXT has the additional benefit of low current draw which makes it compatible with a wide variety of control panels. The 500N series also offers choices for optional auxiliary relays and isolated heat sensors, not available before in the 500 series. GE offers CleanMe, dust compensation, field replaceable optical chambers, multiple criteria heat algorithms, and self-diagnostics features.


Model: 521NCRXT
2-wire Voltage Dip Switch Specs: Polarity Sensitive
8.5 - 33 VDC
Alarm Current Consumption[Maximum]: 60.0 mA
Color: White
Detector Head Depth[Nominal]: 2.0 in
Detector Head Diameter[Nominal]: 5.0 in
Drift Compensation Adjustment: 1 %/ft
Field Wiring Size[Minimum]: 12.0 AWG
Field Wiring Size[Maximum]: 24.0 SWG
Heat Detection Specifications - Fixed[Nominal]: 135.0 F
Heat Detection Specifications - Rate of Rise: >105F and Rate of Rise 15F/min
Height[Nominal]: 2.0 in
Maximum Ripple[Maximum]: 10.0 %
Mounting Height[Nominal]: 0.3 in
Operating Humidity[Minimum]: 0.0 % RH
Operating Humidity[Maximum]: 95.0 % RH
Regulatory Approval: UL 268, CUL
Relay @ Contact Rating: 500.0 mA @ 36.0 V
Reset Time[Maximum]: 1.0 s
RFI Immunity @ ..: 20.0 V/m @ 1000.0 MHz
Sensitivity - Photoelectric[Minimum]: 0.05 %
Sensitivity - Photoelectric[Maximum]: 3.1 %
Sensitivity - Photoelectric[Nominal]: 3.1 %
Standby Current Consumption[Nominal]: 70.0 A
  • Built-in sounder available in two- and four-wire models
  • Patented CleanMe feature
  • Built-in dust compensation
  • Field-replaceable optical chamber

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