Item #4W-B
 

Product info

System_sensor
System Sensor Smoke Detector 4W-B
Systemsensor_4w-b detector

Product overview

System Sensors i3 (tm) series smoke detectors represent a significant advancement in
conventional detection. The i3 family is founded on three principles: Installation ease,
Intelligence, and Instant inspection.

Product Overview:

  • The 4W-B is a 4-wire, photoelectric i3 smoke detector.

  • Plug-in detector line - mounting base included

  • Large wire entry port

  • In-line terminals with SEMS screws

  • Mounts to octagonal and single-gang backboxes, 4-square boxes, or direct to ceiling

  • Stop-Drop N Lock (tm) attachment to base

  • Removable detector cover and chamber for easy cleaning

  • Built-in remote maintenance signaling

  • Drift compensation and smoothing algorithms

  • Simplified sensitivity measurement

  • Wide angle, dual color LED indication

  • Loop testing via EZ Walk feature

  • Built-in test switch


  • Specifications:

    Detection: Photoelectric

    Wiring: 4-wire

    Operating Voltage: 12/24 V non-polarized nominal, 8.5 min. to 35 max.

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

    Alarm Current: 20mA max. @ 12V, 23mA @ 24V

    Standby Current: 50 �A max. avg.

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

    Temperature Range: 32� to 120�F (0� to 49�C)

    Humidity Range: 0% to 95% RH, noncondensing

    Sensitivity: 2.5%/ft. nominal

    Wiring Gauge: 14-22 AWG

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

    Weight: 6.3 oz. (178 g)