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Fire Detection Sensors

System Sensor wired smoke and heat detectors install quickly and easily. Point identification and maintenance alert capabilities make it easy to identify the detector in alarm and simplify service and maintenance.

BK-2WTB  System Sensor Wired Smoke and Heat Detector

Code BK-2WTB Price: $44.25

Use with Vista-15P, Vista-20P, and Vista-50P 2-Wire loops/zones Features: 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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