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