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System Sensor 4WTB 4-Wire Smoke Detector
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Complete Description Below:
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System Sensor 4WTB
Type: Direct-Wire Smoke Detector
Model: 4WTB
Description: The 4WTB is a low profile - 4-wire - photoelectric smoke detector with
a 135°F thermal sensor.
| Detection: |
Photoelectric |
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| Wiring: |
4-wire |
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| Heat Sensor: |
135°F electronic thermistor |
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| Operating Voltage: |
12/24 VDC nominal - 10 min. to 35 max. |
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| Alarm Current: |
28mA typical - 35mA max. at 12V - 36mA typical - 45mA max. at 24V |
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| Standby Current: |
50 µA avg. |
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| Auxiliary Contact Ratings: |
1A@30 VDC |
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| Temperature Range: |
32° to 100°F (0° to 38°C) |
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| Humidity Range: |
10% to 93% RH - noncondensing |
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| Dimensions: |
1.7 Inch (43mm) H x 5.5 Inch (140mm) Dia. |
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| Weight: |
6.8 oz. (192 g) |
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