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Smoke and Heat Detectors
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System Sensor
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i3 Series Smoke Detectors
:: System Sensor 4WTR-B Smoke Detector w/ Thermal and Relay
i3 Series Smoke Detectors
System Sensor 4WTR-B Smoke Detector w/ Thermal and Relay
$72.95
4WTRB 4-wire, photoelectric i3 smoke detector with thermal sensor and Form C relay
Replacement For System Sensor 2112/24R, 2112/24TR2112/24TS
Detection:
Photoelectric
Wiring:
4-wire
Heat Sensor:
135°F (57.2°C) fixed
Operating Voltage:
12/24 V non-polarized nominal, 10 min. to 35 max.
Maximum Ripple Voltage:
30% of nominal (peak to peak)
Alarm Current:
35mA max.
Standby Current:
50µA maximum average
Alarm Contact Ratings:
0.5A @ 30V AC/DC
Auxiliary Contact:
Form C
Auxiliary Contact Ratings:
2A @ 30V AC/DC
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:
7.1 oz. (200 g)
Add to Cart:
Model: System Sensor 4WTR-B
52 Units in Stock
Manufactured by: System Sensor
Product 10/10
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