The EJ500 Astro In-Wall Timer allows up to 14 ON/OFF events per week, with an astronomic feature that that automatically adjust to sunrise/sunset. The timer also features an auto daylight saving time adjustment, and is single-pole or 3-way compatible for ease of installation. The timer can replace any standard wall light switch.

  • Series Overview
  • Model Lineup
  • Specifications
  • Resources

  • Up to 14 ON/OFF events per week
  • No neutral required
  • “Random” setting turns light ON and OFF at slightly different times each day
  • Auto Daylight Saving Time adjustment
  • Astronomic feature auto adjusts to sunrise/sunset
  • Controls incandescent lighting
  • Battery backup guards against memory loss
  • Single-pole or 3-way compatible

Product Ratings
ModelSwitch TypeInput VoltageSwitch RatingNeutral RequiredStyleTemperature RatingWarranty
EJ500Single-Pole or 3-Way Compatible120 VAC, 60 Hz40-500 Watts IncandescentNoFor use with Standard or Decorator Style Switch Plate32ºF to 104ºF (0ºC to 40ºC)1 Year


Switch Type:                          Single-Pole or 3-Way

Switch Ratings:

Tungsten (incadescent):       4 Amp, 120VAC, 500 Watts (single-gang or two-gang)

Input Voltage:                       120 VAC, 60 Hz

Style:                                     For use with decorator type switch plates

Warranty:                              Limited 1 year

Dimensions:                          2.75" H x 1.73" W x 1.63" D

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