2WT-B

The System Sensor 2WT-B is a 2-wire, photoelectric i3 smoke and heat detector.

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.

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Description

  • Detection: Photoelectric
  • Wiring: 2-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: 130mA max., limited by panel
  • Standby Current: 50 A max. avg., 100 A peak
  • 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)

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