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Smoke Detectors

  320A/350 Series
  400 Series Photo Electric Smoke Detectors
  500 Series Photo Electric Smoke Detectors
  500N Series Photoelectric Smoke Detectors
  ESL 700 Series Self-Diagnostic Photoelectric and Ionization
  Projected Beam Smoke Detectors
  TS7 Series
  Wireless Detectors
320A/350 Series
400 Series Photo Electric Smoke Detectors
500 Series Photo Electric Smoke Detectors
500N Series Photoelectric Smoke Detectors
ESL 700 Series Self-Diagnostic Photoelectric and Ionization
Projected Beam Smoke Detectors
TS7 Series
Wireless Detectors
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GE ESL  562NS - Esl 3V Stand-Alone Smoke Alarm. Ships With Built-In 85Dba Sounder And Batteries GE ESL 350 - Photoelectric Smoke Alarm With Battery Backup
ESL battery operated photoelectric smoke detectors come in a variety of models for different applications. ESL offers both supervised wireless models and stand-alone models.
The supervised wireless models are available in two types. The residential supervised models can be used with all GE Interlogix control panels that support wireless devices and the commercial supervised wireless models can be used with Advent panels.
Supervised wireless models ship with batteries, transmitters included, plus feature Learn Mode technology.
The stand-alone models can be shipped with batteries for use as non-system smoke detectors for use in various applications where an end-user chooses not to install a monitored smoke detector.
Additionally, other manufacturers with proprietary transmitters and systems can use the stand-alone models when appropriately listed with UL.
All of the ESL battery operated photoelectric smoke detectors continually monitor operational status and provide a visual trouble condition if they drift out of the sensitivity range or fail internal diagnostics. The series meets NFPA 72 field sensitivity testing requirements without the need for external meters. The alarm sensitivity level can be determined at the unit. Another feature is built in drift compensation that allows the alarm to adjust sensitivity automatically as it becomes dirty over time. The drift compensation feature dramatically increases the time between cleanings, as well as reduces false alarms.

Standard Features


  • 3V Lithium battery operated
  • Field-replaceable optical chamber
  • Built-in 85dBa temporal sounder
  • Built-in drift compensation
  • Optional built-in heat detection
  • Built-in 85dB temporal sounder
  • Up to 12 units can be interconnected
  • Low profile design blends in with any environment
  • Backward compatible with existing ESL 320 wiring
  • Test and hush feature
  • Field replaceable optical chamber for quick and easy maintenance
  • 6" diameter

    ESL 320A/350 Series alarms are single/multiple station photoelectric AC smoke alarms designed for use in residential occupancies, including hotels, motels, and dormitories. The 320A/350 Series is compatible with existing ESL 320 Series wiring and up to twelve units may be interconnected for tandem operation. When any unit in tandem senses smoke, all the units sound an alarm.

    The ESL 320A/350 Series features a test/silence button on the front of the alarm that facilitates testing. The series continuously monitors its own sensitivity; and if the alarm falls out of sensitivity, ESL's proprietary field replaceable optical chamber enables quick and easy cleaning and maintenance. The series meets NFPA 72 field sensitivity requirements without the need for external meters.

    The 350 Series provides a battery backup that offers up to 46 hours continuous protection in the event of a power outage. Other models provide auxiliary relay options.

    All models are photoelectric alarms, which detect smoldering fire faster than the more common ionization alarms. Since smoldering fire is one of the most prevalent types of residential fires, photoelectric alarms are essential in these applications.

  • GE ESL 350CX - Photoelectric Smoke Alarm With Tandem Relay & Battery Backup GE ESL  521B 2-Wire, Photoelectric,  6-24 V DC Smoke Detector
  • Built-in 85dB temporal sounder
  • Up to 12 units can be interconnected Built-in 85dB temporal sounder
  • Low profile design blends in with any environment
  • Backward compatible with existing ESL 320 wiring
  • Test and hush feature
  • Field replaceable optical chamber for quick and easy maintenance
  • 6" diameter

    ESL 320A/350 Series alarms are single/multiple station photoelectric AC smoke alarms designed for use in residential occupancies, including hotels, motels, and dormitories. The 320A/350 Series is compatible with existing ESL 320 Series wiring and up to twelve units may be interconnected for tandem operation. When any unit in tandem senses smoke, all the units sound an alarm.

    The ESL 320A/350 Series features a test/silence button on the front of the alarm that facilitates testing. The series continuously monitors its own sensitivity; and if the alarm falls out of sensitivity, ESL's proprietary field replaceable optical chamber enables quick and easy cleaning and maintenance. The series meets NFPA 72 field sensitivity requirements without the need for external meters.

    The 350 Series provides a battery backup that offers up to 46 hours continuous protection in the event of a power outage. Other models provide auxiliary relay options.

    All models are photoelectric alarms, which detect smoldering fire faster than the more common ionization alarms. Since smoldering fire is one of the most prevalent types of residential fires, photoelectric alarms are essential in these applications.

  • Self-diagnostic, two-wire smoke detector
  • Provides remote maintenance/trouble reporting
  • Features drift compensation, and multi-criteria detection to reduce false alarms
  • Small, low profile design blends in with any environment

    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.

    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

  • GE ESL  521BXT  6-24 V DC Multi-Criteria Algorithms, Fixed/Rate-of-Rise Heat Smoke Detector GE ESL  521CXT-ID Addressable Smoke Detector
  • Self-diagnostic, two-wire smoke detector
  • Provides remote maintenance/trouble reporting
  • Features drift compensation, and multi-criteria detection to reduce false alarms
  • Small, low profile design blends in with any environment
  • Detects both fixed and rate-of-rise heat

    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.

    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 500 Series self-diagnostic, two & four wire smoke detectors are conventional direct-wire smoke detectors with analog features such as remote maintenance/trouble reporting (CleanMeŽ), drift compensation, and multi-criteria detection.

    The 500 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 2-wire smokes are 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 two-wire devices 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 500 series 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 500 series smoke detectors have told you that cleaning is necessary, it's literally a snap with a patented field replaceable optical chamber (part number 211).

    Additional Features

  • Compatible with wide array of panels
  • Built-in sounder eliminates need for seperate horns or sirens
  • GE ESL  541AXT Photoelectric 4-Wire Smoke Detector With Heat Sensor, 6/12Vdc. Smart Dual Fixed/Rate Of Rise Heat Sensor GE ESL  541C Photoelectric 4-Wire Smoke Detector, 12/24 Vdc

    The 541 Series self-diagnostic, two & four wire smoke detectors are conventional direct-wire smoke detectors with analog features such as drift compensation and multi-criteria detection.

    The 541 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.

    Additional diagnostic information is activated by applying a magnet near the detector's integral reed switch. This initiates a self-diagnostic routine and provides visual indication of sensitivity level or indicates if service is required.

    Time between cleaning detectors is dramatically increased because of the 541 Series' 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 541 series smoke detectors have told you that cleaning is necessary, it's literally a snap with a patented field replaceable optical chamber (part number 211).

    Additional Features

  • Compatible with wide array of panels
  • Built-in sounder eliminates need for separate horns or sirens
  • The 541 Series self-diagnostic, two & four wire smoke detectors are conventional direct-wire smoke detectors with analog features such as drift compensation and multi-criteria detection.

    The 541 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.

    Additional diagnostic information is activated by applying a magnet near the detector's integral reed switch. This initiates a self-diagnostic routine and provides visual indication of sensitivity level or indicates if service is required.

    Time between cleaning detectors is dramatically increased because of the 541 Series' 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 541 series smoke detectors have told you that cleaning is necessary, it's literally a snap with a patented field replaceable optical chamber (part number 211).

    Additional Features

  • Compatible with wide array of panels
  • Built-in sounder eliminates need for separate horns or sirens
  • GE ESL  541CXT Photoelectric 4-Wire Smoke Detector With Heat Sensor, 12/24 Vdc. Smart Dual Fixed/Rate Of Rise Heat Sensors GE ESL  541CXT-10PK Photoelectric 4-Wire Smoke Detector With Heat Sensor, 10 Pack Box Of 541Cxt. Not Individually Packaged

    The 541 Series self-diagnostic, two & four wire smoke detectors are conventional direct-wire smoke detectors with analog features such as drift compensation and multi-criteria detection.

    The 541 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.

    Additional diagnostic information is activated by applying a magnet near the detector's integral reed switch. This initiates a self-diagnostic routine and provides visual indication of sensitivity level or indicates if service is required.

    The SmartHeat model 541CXT photoelectric smoke detector/fixed rate of rise heat detector includes fast response algorithms for a quick response to both flaming and smoldering fires. Fast response algorithms allow the heat detectors to work intelligently together with the photoelectric smoke detector. As soon as the heat sensor detects a rapid rise in temperature, the sensitivity of the photoelectric sensor increases. This increase allows the sensor to detect smaller particles of combustion quicker.

    Time between cleaning detectors is dramatically increased because of the 541 Series' 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 541 series smoke detectors have told you that cleaning is necessary, it's literally a snap with a patented field replaceable optical chamber (part number 211).

    Additional Features

  • Compatible with wide array of panels
  • Built-in sounder eliminates need for separate horns or sirens
  • The 541 Series self-diagnostic, two & four wire smoke detectors are conventional direct-wire smoke detectors with analog features such as drift compensation and multi-criteria detection.

    The 541 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.

    Additional diagnostic information is activated by applying a magnet near the detector's integral reed switch. This initiates a self-diagnostic routine and provides visual indication of sensitivity level or indicates if service is required.

    The SmartHeat model 541CXT photoelectric smoke detector/fixed rate of rise heat detector includes fast response algorithms for a quick response to both flaming and smoldering fires. Fast response algorithms allow the heat detectors to work intelligently together with the photoelectric smoke detector. As soon as the heat sensor detects a rapid rise in temperature, the sensitivity of the photoelectric sensor increases. This increase allows the sensor to detect smaller particles of combustion quicker.

    Time between cleaning detectors is dramatically increased because of the 541 Series' 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 541 series smoke detectors have told you that cleaning is necessary, it's literally a snap with a patented field replaceable optical chamber (part number 211).

    Additional Features

  • Compatible with wide array of panels
  • Built-in sounder eliminates need for separate horns or sirens
  • GE ESL 511C - Photoelectric 2-wire smoke detector, 12/24 VDC, no CleanMe feature, not MEA listed, S10A compatible GE ESL 521B-10PK Photoelectric 2-Wire Smoke Detector With Cleanme, 10 Pack Box Of 521B. Not Individually Packaged
    The 500 series self-diagnostic, 2-wire smoke detectors are conventional direct-wire detectors with analog features including drift compensation, multi-criteria detection, and remote maintenance/trouble reporting (CleanMeŽ). The detectors continually monitor their own sensitivity and operational status and provide a visual and remote trouble condition if they drift out of calibration range or fail internal diagnostics.

    Standard Features


    • Remote maintenance reporting (CleanMe) reduces false alarms
    • Built-in drift compensation reduces false alarms
    • Field replaceable optical chamber makes servicing easy
    • Small, low-profile design blends in with any environment
    • Meets NFPA 72 field sensitivity testing requirements without the need for external meters

    The 500 Series self-diagnostic, two & four wire smoke detectors are conventional direct-wire smoke detectors with analog features such as remote maintenance/trouble reporting (CleanMeŽ), drift compensation, and multi-criteria detection.

    The 500 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 seperately) 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 2-wire smokes are 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 two-wire devices 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 500 series 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 500 series smoke detectors have told you that cleaning is necessary, it's literally a snap with a patented field replaceable optical chamber (part number 211).

    Additional Features

  • Compatible with wide array of panels
  • Built-in sounder eliminates need for separate horns or sirens
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