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GE Security GEC-521NCRXT

General Electric

Photoelectric 2-Wire, Smoke Detector, RFI immunity: 20 V/m min.; 1 to 1000 MHz, Patented CleanMe feature , Built-in dust compensation


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.




GEC-521NCRXT Photoelectric 2-Wire Smoke Detector Features:

  • Built-in sounder available in two- and four-wire models
  • Patented CleanMe feature
  • Built-in dust compensation
  • Field-replaceable optical chamber
  • Power suppy, 6/12 V operation: 6.0 to 20 VDC poarity sensitive
  • Power suppy, 12/24 V operation: 8.5 to 33 VDC poarity sensitive
  • Maximum rippe p-p (6/12/24 V): 10% (V p-p)
  • Typica average standby current: 70 μA
  • Auxiiary reay contacts: 1.0 A @ 30 VDC, Form C
  • Aarm contacts: 500 mA @ 36 VDC (resistive)

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