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  GE Security GEC-NX491NT10PK ESL 500-Series Wireless Smoked Sensor 10-Pack

GE Security GEC-NX491NT10PK ESL 500-Series Wireless Smoked Sensor 10-Pack


Our Price : $748.06

Product Code: GEC-NX491NT10PK


The ESL supervised smoke alarms are self-diagnostic Learn Mode wireless sensors with 319.5MHz transmitters that use photoelectric technology with a self-contained sounder, a low battery annunciator, status LED, and integrated fixed temperature and rate-of-rise heat sensor. Each unit has a base tamper switch, is part of a residential security/fire alarm system, and communicates with the system control panel.


Voltage: 3 VDC
Average standby current: 35 uA, typical
Test current: 2 mA, typical
Alarm current: 70 mA, typical
Battery type: 3V lithium-Duracell 123, Sanyo and Panasonic CR123A
Low battery threshold: 2.7 V causes low battery signal
Operating temperature: 40 to 100F (4 to 38C)
Operating humidity range: 0 to 95% noncondensing
RF immunity: 20V/minute minimum; 1 to 1000 MHz
Drift compensation adjustment: 0.5%/ft. maximum
Rate of rise: 15F/minute > 105F (8.3C/minute > 40.6C)
Fixed: 135F 5F (57.2C 2.8C)
RF frequency: 319.5 MHz
Transmitter ID: Preprogrammed, 1 million codes
Modulation type: AM
Signal format: PWM
Output types: Alarm, restore, tamper, low battery, trouble, 1 hour supervisory
  • 3V Lithium battery operated
  • Field replaceable optical chamber
  • Built-in 85dBa temporal sounder
  • Built-in drift compensation
  • Optional built-in heat detection
  • Learn Mode
  • 319.5MHz crystal transmitter
  • Alarm signal sent to central station on test
  • Low battery prealarm sent to control station

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