400 Series

400 Series Interval Timers

The 400 Series Interval Timers are designed to control an electrical circuit for a set time upon operation of the manual setting knob which is directly connected to the switch operating cam.

  • Time Ranges: 30, 60 minutes and 5 Hour
  • Setting Accuracy: Within 0.5% of Full Scale
  • 120V AC, 240V AC, 60Hz


  • Temperature Ratings: 2° to 120°F (0° to 50°C)
  • Rear Terminal Block-Screw
  • Interval Timing Mode
  • Front Panel Mounting