Vanguard Security Corporation -
Honeywell Security Products Dealer
Fire Detection Sensors
System Sensor wired smoke and heat detectors install quickly and
easy to identify the detector in alarm and simplify service and

BK-2WTB  System Sensor Wired Smoke and Heat Detector
Use with Vista-15P, Vista-20P, and Vista-50P 2-Wire
  • Detection:  Photoelectric
  • Wiring:  2-wire
  • Heat Sensor:  135°F (57.2°C) 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 µA max. avg., 100 µA peak
  • Temperature Range:  32° to 100°F (0° to 37.8°C)
  • Humidity Range:  0% to 95% RH, noncondensing
  • Freeze Trouble:  41°F (5°C)
  • 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)

Spec Sheet

Install Sheet

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