4WITARB 4-wire, photoelectric smoke detector with isolated thermal sensor, built-in sounder, and Form C relay
Replacement For System Sensor 2112/24AITR, 2424AIT
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Detection: |
Photoelectric |
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Wiring: |
4-wire |
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Heat Sensor: |
Isolated - 135°F (57.2°C) fixed |
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Sounder: |
85 dBA |
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Operating Voltage: |
12/24 V non-polarized nominal, 10 min. to 35 max. |
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Maximum Ripple Voltage: |
30% of nominal (peak to peak) |
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Alarm Current: |
50mA max. |
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Standby Current: |
50µA maximum average |
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Alarm Contact Ratings: |
0.5A @ 30V AC/DC |
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Auxiliary Contact: |
Form C |
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Auxiliary Contact Ratings: |
2A @ 30V AC/DC |
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Temperature Range: |
32° to 100°F (0° to 37.8°C) |
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Humidity Range: |
0% to 95% RH, noncondensing |
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Freeze Trouble: |
41°F (5°C) |
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Sensitivity: |
2.5%/ft. nominal |
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Wiring Gauge: |
14-22 AWG |
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Dimensions: |
2.0" (51mm) H x 5.3" (127mm) Dia. |
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Weight: |
7.1 oz. (200 g) |
