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GE Security SD-2W-EST

General Electric

Conventional SuperDuct Duct Smoke Detector, PCB mounted photoelectric detector, Environmental compensation, Detector assembly, Status LEDs remain visible, Easy access to field connection.


GE Security SD-2W (EST) Conventional SuperDuct Duct Smoke Detector



 SuperDuct is slim feature-rich alternative to bulky duct smoke detectors. Designed for easy installation and superb reliability, SuperDuct represents the perfect balance of practical design and advanced technology.



  • Smoke Sensor
  • PCB mounted photoelectric detector with onboard intelligence
  • Environmental compensation with differential sensing for reli­able, stable, and drift-free sensitivity
  • Wide 0.79% to 2.46% obscuration/ft. smoke sensitivity
  • Detector assembly
  • Less than 2" deep for easy installation and applications where space is tight
  • -4 F to 158 F (-20 C to 70 C) operating range with 100 ft/min. to 4,000 ft/min air velocity rating assures reliability under harsh environmental conditions
  • Status LEDs remain visible through clear assembly cover
  • Cover monitor switch for added security
  • Standard sampling tube spacing for easy drop-in migration from other detectors
  • Sampling tube can be installed with or without the cover in place and can be rotated in 45-degree increments to ensure proper alignment with duct airflow
  • On-board Alarm, Trouble, and Dirty LEDs
  • Magnet-activated test switch
  • One Form C auxiliary alarm relay for controlling ancillary equip­ment (e.g., HVAC controls)
  • Easy access to field connection terminals

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