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GE Security Photoelectric Smoke/Heat Detector w/CleanMe, 2-Wire
GE521BXT
The 521 Series self-diagnostic, two-wire smoke detectors are the industry's first conventional direct-wire smoke detectors with...
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GE SECURITY PHOTOELECTRIC SMOKE DETECTOR

TWO WIRE SMOKE DETECTOR WITH CLEANME AND HEAT SENSOR

The ESL 521 Series self-diagnostic, two-wire smoke detectors are the industry's first conventional direct-wire smoke detectors with analog features such as remote maintenance/trouble reporting (CleanMe«) drift compensation, and multi-criteria detection.

The 521 Series continually monitor their own sensitivity and operational status, and provide a visual and remote trouble condition if they drift out of the sensitivity range or fail internal diagnostics. This meets NFPA 72 field sensitivity testing requirements without the need for external meters. The 521 has a unique feature enabling it to send a signal (CleanMe) to the ESL 505 module (sold separately) when it has drifted outside of its UL Listed sensitivity range or has failed its internal diagnostics test. The 505 is an interface module that will signal a 24V panel via relays when the 521 is dirty.

Several 12V and 24V control panels have the CleanMe software built in, eliminating the need for the 505 module. When CleanMe is not desired, simply leave the switch on the 521 off and it will work as a normal two wire detector. CleanMe allows the installer time to schedule a service call and avoid a false alarm.

Time between cleaning detectors is dramatically increased because of the 521's built-in drift compensation.

This feature, usually only available in analog systems, allows the detector to automatically adjust its sensitivity over time as it becomes dirty, increasing the life of the detector. And when the 521 has told you that cleaning is necessary, it's literally a snap with ESL's patented field replaceable optical chamber.

COMFORT IN KNOWING YOUR FAMILY IS PROTECTED

Most homes have battery operated ionization smoke detectors. These detectors react quickly to flaming fires but usually take longer to detect smoldering fire û the most common type of fire that occurs in homes. GE Interlogix ESL smoke detectors utilize photoelectric smoke detection technology. Photoelectric smoke detectors continually analyze the air for smoke particles and are more sensitive to smoldering fires than ionization detectors. Installing both ionization and photoelectric smoke detectors in your home provides the best possible protection for you and your family. You can count on GE to protect your family and investment. Photoelectric alarms are essential in your applications.

Check out these additional products:

GE Wireless Carbon Monoxide Detector
GE Wireless Mirror Optic PIR Motion Detector


GE Security Smoke Detector with CleanMe (.pdf)
521 Series 2-Wire Smoke & Heat Detector with CleanMe Datasheet (.pdf)

Standard Features:

  • CleanMe® remote maintenance reporting reduces false alarms
  • Smart dual fixed/rate of rise heat works with photo chamber to catch fires faster
  • Built-in drift compensation reduces false alarms
  • Field replaceable optical chamber makes servicing a snap
  • Small, low profile design blends in with any environment

Specifications:
  • Alarm Current Consumption [Maximum]: 60.0 mA
  • 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: >105°F and Rate of Rise 15°F/min
  • Maximum Ripple [Maximum]: 10.0 %
  • Operating Humidity [Minimum]: 0.0 % RH
  • Operating Humidity [Maximum]: 95.0 % RH
  • Operating Temperature [Minimum]: 32.0 °F
  • Operating Temperature [Maximum]: 100.0 °F
  • Packaging Basis [Nominal]: 10.0 per carton
  • Reset Time [Maximum]: 1.0 s
  • Sensitivity - Photoelectric [Minimum]: 0.05 %
  • Sensitivity - Photoelectric [Maximum: 3.1 %
  • Sensitivity - Photoelectric [Nominal]: 3.1 %
  • Standby Current Consumption [Nominal]: 70.0 µA

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