High Quality, Low Cost, Do-it-yourself Security

2-Wire Photoelectric Smoke Detector

Availability: In stock

$29.79
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Quick Overview

System Sensor 2W-B Smoke Detector: 2-wire, I3 Series

2-Wire Photoelectric Smoke Detector

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  • System Voltage – Nominal: 12/24

  • Min.: 8.5 Volts

  • Max.: 35 Volts

  • Max. Ripple Voltage: 30% peak to peak of applied voltage

  • Max. Standby Current: 50 uA average

  • Peak Standby Current: 100uA

  • Max. Alarm Current: 130 mA 12 Volt Systems

  • Alarm Reset Time: 0.3 sec

  • Max. Start-up Capacitance: 0.1 uF

  • Latching Alarm: Reset by momentary power interruption

  • Maximum Initial Start-up Time: 45 sec

  • Alarm Verification

  • Start-up Time: 15 sec

    Physical Specifications

  • Heat Sensor
    (Model 2WT-B and 4WT-B): 135ºF (57.2ºC)

  • Freeze Trouble
    (Model 2WT-B and 4WT-B): 41ºF (5ºC)

  • Operating Temperature Range:
    2W-B and 4W-B: 32 to 120ºF (0 to 49ºC)
    2WT-B and 4WT-B: 32 to 100ºF (0 to 37.8ºC)

  • Operating Humidity Range: 0 to 95% RH non-condensing

  • Storage Temperature Range: –4 to 158ºF (–20 to 70ºC)

  • Diameter (including base): 5.3 inches

  • Height (including base): 2.0 inches

  • Weight: 6.3 oz.