System Sensor 2251

Intelligent Photoelectric Smoke Sensor

Condition: New
Brand: System Sensor
Status: Obsolete
SKU: N02C-6927
Manufacturer Part #: 2251
Replacement: 2251B

Description

Model 2251 is a plug-in type smoke sensor that combines a photoelectronic sensing chamber with addressable-analog communications. The sensor transmits an analog representation of smoke density over a communication line to a control panel. Rotary-decade switches are provided for setting the sensor’s address. Two LEDs on the sensor are controlled by the panel to indicate sensor status. An output is provided for connection to an optional remote LED annunciator (P/N RA400Z).

Additional information

Weight 0.2 lbs
Dimensions 4.10 × 4.10 × 1.70 in
Manufacturer

Honeywell

Brand

Condition

New

Unit of Measurement

EA (Each)

Production Status

Obsolete

Type

Detector

Style

Plug-In

Detectable Medium

Smoke

Detection Method

Photoelectric

Programming

Rotary Dials

Voltage

24 VDC

Voltage Range

15 – 32 VDC

2251 and 2251T Intelligent Photoelectronic Smoke Sensors

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System Sensor - Installation and Maintenance Instructions