Diehl Synchronous Series 220/270

Diehl Series 220 (24-hr) & Series 270 (7-day) heavy duty 40-amp synchronous time switches provide accurate timing for daily or weekend programs via captive trippers.

Series 220 (24-hr) offers up to 96 programmable operations in 15-minute increments.

Series 270 (7 day) version offers up to 84 programmable operations in 2-hour increments.

Useful for electric appliances and installations with periodically recurring work cycles such as:

  • Heating Systems
  • Furnaces
  • Annealing/Drying Ovens
  • Automatic Feeders
  • Laboratory and Test Equipment
  • Security and Alarm Systems
  • Synchronous Motor Driven
  • Simple and Fast Settings
  • Indicator of Switch-On Period (Orange Disc Section)
  • Heavy-Duty 40-amp contracts
 Series 220Series 270
Timer Range24 hours7 days
On/Off Time15 minutes2 hours
# of Programs96 Operations84 Operations
Power ReserveN/A
ContactsHeavy-Duty 40-amp
Size2″ x 3″ Self-Contained Box
  • Set actual time of day by rotating the program disc clockwise
  • Time of the day visible on program disc
  • Set switching program by engaging the captive trippers
  • Visible parts of the orange disc section shows switch-on period