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Categories - Safety and Fire - Smoke & Heat Detectors & Pull Stations - 2WB
2WB - 2-Wire Photoelectric Smoke Detector

System Sensor 2W-B Smoke Detector: 2-wire, I3 Series

Price: $29.79

Manufacturer: SYSTEM SENSOR

System Voltage Nominal: 12/24
Min.: 8.5 Volts
Max.: 35 Volts
Max. Ripple Voltage: 30% peak to peak of applied voltage
Max. Standby Current: 50 uA average
Peak Standby Current: 100uA
Max. Alarm Current: 130 mA 12 Volt Systems
Alarm Reset Time: 0.3 sec
Max. Start-up Capacitance: 0.1 uF
Latching Alarm: Reset by momentary power interruption
Maximum Initial Start-up Time: 45 sec
Alarm Verification
Start-up Time: 15 sec Physical Specifications
Heat Sensor (Model 2WT-B and 4WT-B): 135F (57.2C)
Freeze Trouble (Model 2WT-B and 4WT-B): 41F (5C)
Operating Temperature Range: 2W-B and 4W-B: 32 to 120F (0 to 49C) 2WT-B and 4WT-B: 32 to 100F (0 to 37.8C)
Operating Humidity Range: 0 to 95% RH non-condensing
Storage Temperature Range: 4 to 158F (20 to 70C)
Diameter (including base): 5.3 inches
Height (including base): 2.0 inches
Weight: 6.3 oz.

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