The 4WTAR-B is a 4-wire, photoelectric i3 smoke detector with thermal sensor, built-in sounder, and Form C relay.

• 0.5A @ 30V AC/DC
  Alarm Contact Ratings
• Alarm Current:
  50mA max.
• Auxiliary Contact
  Form C
• Auxiliary Contact Ratings
  2A @ 30V AC/DC
• Detection
  Photoelectric
• Dimensions
  2.0" (51mm) H x 5.3" (127mm) Dia.
• Freeze Trouble
  41°F (5°C)
• Heat Sensor
  135°F (57.2°C) fixed
• Humidity Range
  0% to 95% RH&#044 noncondensing
• Maximum Ripple Voltage
  30% of nominal (peak to peak)
• Operating Voltage
  12/24 V non-polarized nominal, 10 min. to 35 max.
• Sensitivity
  2.5%/ft. nominal
• Sounder
  85 dBA
• Standby Current
  50µA maximum average
• Temperature Range
  32° to 100°F (0° to 37.8°C)
• Weight
  7.1 oz. (200 g)
• Wiring
  4-wire
• Wiring Gauge
  14-22 AWG