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Home » Fire » Detectors » Smoke » Addressable

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Intelligent Photoelectric Smoke Sensor - Pack of 10

Name: Intelligent Photoelectric Smoke Sensor - Pack of 10
Brand: System Sensor
SKU: 2251B
Rating: 5 (1 reviews)

Item # 2251B

Manufacturer Item # 2251B

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Overview

Intelligent Photoelectric Smoke Sensor - Pack of 10

Model 2251B is plug-in type smoke sensor that combine 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.
The 2251B requires compatible addressable communications to function properly. Connect this sensor to listed-compatible control panels only.

Features:

Operating Voltage Range:15 to 32 VDC
Operating Humidity Range: 10% to 93% Relative Humidity, Non-condensing
Standby Current: 300µA @ 24 VDC (one communication every 5 seconds with LED blink enabled)
Maximum Alarm Current (LED on:) 6.5 mA @ 24 VDC
Operating Temperature Range: 32°F to 120°F (0°C to 49°C)
Heat Sensor: 135°F Fixed Temperature Electronic Thermistor

Specifications

Product Name	Intelligent Photoelectric Smoke Sensor - Pack of 10

Brand Name	System Sensor

Mfg #	2251B

Cube	84.5 cu in

Height	2.00 in

Weight	0.33 lbs

Color	White

Diameter (In)	6.1

Heat Detection Type	FIXED 135 °F (57 °C)

Operating Voltage	15 - 32 VDC

Documents

2251B.pdf

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The 2251B requires compatible addressable communications to function properly. Connect this sensor to listed-compatible control panels only.

Features:

Operating Voltage Range:15 to 32 VDC
Operating Humidity Range: 10% to 93% Relative Humidity, Non-condensing
Standby Current: 300µA @ 24 VDC (one communication every 5 seconds with LED blink enabled)
Maximum Alarm Current (LED on:) 6.5 mA @ 24 VDC
Operating Temperature Range: 32°F to 120°F (0°C to 49°C)
Heat Sensor: 135°F Fixed Temperature Electronic Thermistor

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Intelligent Photoelectric Smoke Sensor - Pack of 10

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