System Sensor 2251B


Addressable Photoelectric Smoke Detector

Replacement for 1551F

Available With a Lead Time


200 Series smoke detectors are intelligent addressable detectors with point ID capability that enable each detector address to be set with decade address switches to provide exact detector locations. The sensitivity of 200 Series detectors can be programmed using the control panel software to suit the environment. In addition, detector sensitivity is continually monitored and reported to the panel.

The System Sensor 2251B photoelectric detector’s unique optical sensing chamber is engineered to sense smoke produced by a wide range of combustion sources.

Datasheet: 2251B

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Weight 1 lbs
Dimensions 5 × 5 × 5 in