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System Sensor 4WT-B Photoelectric i3 Smoke Detector, 4-Wire, 135F fixed thermal sensor
4WT-B System Sensor | JMAC Supply
 
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Product Code: SYSTEM-SENSOR-4WT-B
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System Sensor 4WT-B Photoelectric i3 Smoke Detector, 4-Wire, 135F fixed thermal sensor

The System Sensor 4WT-B is a 4-wire, photoelectric i3 smoke detector with a 135 degreesF fixed thermal sensor.

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.

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.

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 LED indicated 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 sensitivity of i3 detectors in terms of percent-per-foot obscuration.

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


Technical Specifications:

  • Detection: Photoelectric
  • Wiring: 4-wire
  • Heat Sensor:135F (57.2C) fixed
  • 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
  • Operating Temperature Range: 32 to 100F (0 to 37.8C)
  • Operating Humidity Range: 0% to 95% RH, noncondensing
  • Freeze Trouble: 41F (5C)
  • 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)

Average Customer Review: Average Customer Review: 5 of 5 5 of 5 Total Reviews: 2 Write a review.

  6 of 6 people found the following review helpful:
 
5 of 5 Review left on 2/19/2013
Reviewer: Vanna Whitney from South-Saint-Paul, MN  
Purchased the System Sensor 4WT-B

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  9 of 9 people found the following review helpful:
 
5 of 5 Review left on 7/2/2013
Reviewer: Esther Sheppard from Glen Haven, CO  
Purchased the System Sensor 4WT-B

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