Trident T3A – 1 Zone Controller

With a 24-hour clock and up to 8 programmable events, the Trident allows almost endless ON and OFF Options. If you want loads of features at a low cost, this is the controller for you.

Read our Article about the Trident T3A – 1 Zone Controller


  • Sturdy non-metallic enclosure, UV protected, resists moisture and chemicals
  • Toggle switch to select ON/OFF time mode, second/minute, minute/minute, and minute/hour
  • 2-to 60-second or minute ON time, and 2-to 180-minute or hour OFF time
  • Extra bright LEDs show ON/OFF times when programing and when controller is in use
  • 24 hour digital clock, with 8 programmable events to turn controller off
  • Includes 24 VAC plug-in Transformer and 20’ cord
  • 2 year warranty


Trident T3A – 1 Zone Controller Manual