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System Sensor 2WT-B Smoke Detector With Thermal Sensor








2WTB Smoke Detector with Thermal Sensor ( Heat Detector )
Replacement for System Sensor 2100T, 2100TD, 2100TS, 2400TH


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)


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  • Model: System Sensor 2WT-B
  • 144 Units in Stock
  • Manufactured by: System Sensor

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