System Sensor 4WTAB 4-Wire Smoke Detector with 135 Heat & Soundr

I3 SERIES SMOKE DETECTORS                                   -click here for more info-

• Specifications: 4WTA-B

  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
  Trouble Current:
  Start-up Surge Current:
  Alarm Contact Ratings:	0.5A @ 30V AC/DC
  Auxiliary Contact:
  Auxiliary Contact Ratings:
  Reset Time:
  Start-up Time:
  Temperature Range:	32° to 100°F (0° to 37.8°C)
  Humidity Range:	0% to 95% RH, noncondensing
  Freeze Trouble:	41°F (5°C)
  UL Listed Velocity Range:
  Range:
  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)
  Single Gang:
  3.5 inch Octagon:
  4 inch Octagon:
  4 inch Square:
  50 mm:
  60 mm:
  75 mm:

  A77-716B EOL Power supervision module required to work properly