System Sensor 4WTAB 4-Wire Smoke Detector with 135 Heat & Soundr


I3 SERIES SMOKE DETECTORS -click here for more info-

  • Specifications: 4WTA-B

    Detection: Photoelectric

    Wiring: 4-wire

    Heat Sensor: 135F (57.2C) fixed

    Sounder: 85 dBA

    Operating Voltage: 12/24 V non-polarized nominal, 10 min. to 35 max.

    Maximum Ripple Voltage: 30% of nominal (peak to peak)

    Alarm Current: 35mA max.

    Standby Current: 50A maximum average

    Trouble Current:

    Start-up Surge Current:

    Alarm Contact Ratings: 0.5A @ 30V AC/DC

    Auxiliary Contact:

    Auxiliary Contact Ratings:

    Reset Time:

    Start-up Time:

    Temperature Range: 32 to 100F (0 to 37.8C)

    Humidity Range: 0% to 95% RH, noncondensing

    Freeze Trouble: 41F (5C)

    UL Listed Velocity Range:


    Sensitivity: 2.5%/ft. nominal

    Wiring Gauge: 14-22 AWG

    Dimensions: 2.0" (51mm) H x 5.3" (127mm) Dia.

    Weight: 7.1 oz. (200 g)

    Single Gang:

    3.5 inch Octagon:

    4 inch Octagon:

    4 inch Square:

    50 mm:

    60 mm:

    75 mm:

    A77-716B EOL Power supervision module required to work properly

Add to Cart:

  • Model: 4WTAB
  • Shipping Weight: 3lbs
  • Manufactured by: System Sensor

This product was added to our catalog on Tuesday 27 June, 2006.

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