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Front view of Intermatic DT200LT plug-in digital astronomic landscape timer with LCD display, dual outlets and black plastic housing, shown from angle.

Intermatic DT200LT Digital Astronomic Landscape Timer

Brand: Intermatic
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$80.71
$60.53
SKU DT200LT
In Stock (44)

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The Intermatic DT200LT is a plug-in digital astronomic landscape timer engineered to automate outdoor and indoor lighting, landscape pumps and low-voltage transformer loads. It combines automatic dusk/dawn programming with precise Linesync timing and an easy-to-read LCD for dependable, maintenance-free operation.

  • Astronomic 24-hour control: Automatically schedules ON at dusk/off at dawn or at fixed times so landscape lighting and water features operate exactly when needed.
  • Rated for transformer loads: Designed for use with low-voltage transformers up to 1200 W and a 120 VAC input for broad compatibility with landscape systems.
  • Load and electrical ratings: Resistive rating 15 A, inductive 12 A, incandescent/tungsten up to 1000 W and motor loads to 1/2 HP—suitable for most residential lighting and pump applications.
  • Reliable timing and backup: Intermatic Linesync timing technology with automatic Daylight Saving Time adjustment; includes two LR44 batteries to retain settings during power loss.
  • Built for outdoor use: Plug-in design with two outlets, cULus certification and recommended use with a UL Type 3R enclosure (sold separately); operating range −40° to 122°F.
  • Easy programming and warranty: Intuitive programming, one-touch override and a 1-year limited warranty for homeowner peace of mind.

Ideal for contractors and homeowners, the DT200LT simplifies installation and reduces manual scheduling. Use the unit with UL-certified enclosures where required, follow the included instruction manual for programming and load calculations, and confirm compatibility with your transformer and fixtures before installation. For detailed specs, technical data sheet and programming instructions, refer to the manufacturer documentation included with the product.

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Frequently Asked Questions

What load sizes is the DT200LT rated for?
The DT200LT supports resistive loads to 15 A, inductive loads to 12 A, incandescent up to 1000 W and is for use with transformers up to 1200 W.
Does the timer keep time during power outages?
Yes. Two included LR44 batteries retain the clock and settings for several months so programming is preserved without power.
Can I program the unit to turn on at dusk and off at dawn?
Yes. The DT200LT offers astronomic dusk/dawn programming or fixed on/off times and automatically adjusts for Daylight Saving Time.
Is the DT200LT suitable for outdoor installation?
Yes. It’s designed for outdoor use with cULus certification; use a UL Type 3R enclosure as recommended for exposed installations.

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