System Sensor 2WTA-B


Photoelectric Smoke Detector with Thermal

Available with Lead Time

  • Factory New
Brand: System Sensor Part #: 032196 Categories: , Manufacturer Part #: 2WTA-B Tags: , ,


Model 2WTR-B is a 2-wire photoelectric smoke detector which incorporates a state-of-the-art optical sensing chamber and an advanced microprocessor. The microprocessor allows the detector to automatically adjust its sensitivity back to the factory setting when it becomes more sensitive due to contaminants settling in its chamber.


Weight 0.50 lbs
Dimensions 5.30 × 5.30 × 2.00 in

Detectable Medium


Detection Method


Thermal Rating


Smoke Detectors with Sounder and Relay Option
System Sensor – Data Sheet
Photoelectric Smoke Detector
System Sensor – Installation and Maintenance Instructions


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