System Sensor 4WB i3 4-wire photo detector

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System Sensor 4W-B Photoelectric i3 Series Smoke Detector System Sensor i3 series smoke detectors represent signifcant advancement in conventional detection. The i3 family is found ed on three principles: installation ease, intelligence, and instant inspection. Main Features Plug-in detector line, mounting base included Large wire entry port In-line terminals with SEMS screws Mounts to octagonal and single-gang back boxes, 4-square back boxes, or direct to ceiling Stop-Drop ’N Lock attachment to base Removable detector cover and chamber 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 Show more