UTC (Formerly GE Security/ESL) 521NCRXT 2-Wire Photoelectric Smoke Detector, CleanMe, Aux. Relay

  • MPN: 521NCRXT
  • JMAC ID: 200084338
$45.25
JMAC_ID:
200084338
df_manual_boost:
1.75
Please Note: In order to keep our prices low, we have a minimum order requirement of $99
The 500N series 2-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.


Also known as: ES-521NCRXT, GES-521NCRXT



For more information about the UTC (Formerly GE Security/ESL) 521NCRXT, please contact us.
  • Photoelectric
  • Patented CleanMe feature
  • Built-in dust compensation
  • 2-wire
  • Auxiliary relay
  • Field-replaceable optical chamber

2 Reviews

  • 5
    UTC-GE-ESL-521NCRXT

    Posted by 89886 on Oct 9th 2015

  • 5
    UTC-GE-ESL-521NCRXT

    Posted by 87381 on Aug 7th 2015

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