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System Sensor 4W-B 4-Wire Photoelectric Smoke Detector
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Item #: SYS-4WB
Retail Price: $41.94
Your Price: $36.26
Your Savings: $5.68
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Item Description
System Sensor i3 series smoke detectors represent significant advancement in conventional detection. The i3 family is founded on three principles: installation ease, intelligence, and instant inspection. Installation ease. The i3 line redefines installation ease with its plug-in design. This allows an installer to pre-wire bases (included with heads). The large wire entry port and in-line terminals provide ample room for neatly routing the wiring inside the base. The base accommodates a variety of back box mounting methods as well as direct mounting with drywall anchors. To complete the installation, i3 heads plug into the base with a simple Stop-Drop 'N Lock action. Intelligence. i3 detectors offer a number of intelligent features to simplify testing and maintenance. Drift compensation and smoothing algorithms are standard with the i3 line to minimize nuisance alarms. 2-wire i3 detectors can generate a remote LEDindicated maintenance signal when connected to the 2W-MOD2 loop test/maintenance module or a panel equipped with the i3 protocol. The SENS-RDR, a wireless device, displays the sensitivityof i3 detectors in terms of percent-per-foot obscuration. Instant inspection. The i3 series provides wide-angle red and green LED indicators for instant inspection of the detector's condition: normal standby, out-of-sensitivity, alarm, or freeze trouble. When connected to the 2W-MOD2 loop test/maintenance module or a panel with the i3 protocol, the EZ Walk loop test feature is available on 2-wire i3 detectors. This feature verifies the initiating loop wiring by providing LED status indication at each detector.

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

    Specs
  • Manufacturer System Sensor
  • Condition New
  • 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 µA 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
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