| The 4WTA-B is a 4-wire, photoelectric i3 smoke detector with thermal sensor and built-in sounder.
Specifications: - Detection: Photoelectric
- Wiring: 4-wire
- Heat Sensor: 135°F (57.2°C) fixed
- Sounder: 85 dBA
- 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
- 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)
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