Conventional Detection

Model:

4WT-B

Series:
i3
Type:
Plug-in Smoke Detector
Description:
The 4WT-B is a 4-wire, photoelectric i3 smoke detector with a 135°F fixed thermal sensor.

Specifications: 4WT-B

Detection: Photoelectric
Wiring: 4-wire
Heat Sensor: 135°F (57.2°C) fixed
Operating Voltage: 12/24 V non-polarized nominal, 8.5 min. to 35 max.
Maximum Ripple Voltage: 30% of nominal (peak to peak)
Alarm Current: 20mA max. @ 12V, 23mA @ 24V
Standby Current: 50 µA max. avg.
Alarm Contact Ratings: 0.5 A @ 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: 6.3 oz. (178 g)