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Transformers and Timers

Landscape lighting transformers power your 12-volt system with clean, reliable output. Choose compact magnetic or electronic models, multi-tap 12–15V units for longer runs, and enclosures with built-in timers, photocells, or smart control.

Shop by need

  • Wattage: 75W–900W single or multi-zone outputs
  • Taps: single-tap 12V or multi-tap 12/13/14/15V for voltage-drop compensation
  • Control options: mechanical/astrotimers, plug-in photocells, Wi-Fi/smart modules
  • Enclosures: stainless or powder-coated steel; outdoor wet-location rated
  • Protection: secondary breakers or fuses, toroidal cores, surge protection
  • Accessories: photocells, timers, jumper bars, hubs, gel-filled connectors
  •

    Sollos Integrated Series - Built-In Photocell and Timer TR15SS-INT-300 300

    Sollos
    $ 0.00 - $ 0.00
    $ 0.00
    $ 193.87
    $ 193.87 - $ 193.87
    $ 193.87

    Spec Sheet TR15SS-INT-300 997017 300W STAINLESS STEEL TRANSFORMER 12-15V INTEGRATED PHOTOCELL AND TIMER 1 COMMON   Application Landscaping B...

    View full details
    $ 0.00 - $ 0.00
    $ 0.00
    $ 193.87
    $ 193.87 - $ 193.87
    $ 193.87

  • Sollos Integrated Series Transformer-Stainless Steel-With Photocell and Timer-150W

    Sollos
    $ 0.00 - $ 0.00
    $ 0.00
    $ 158.13
    $ 158.13 - $ 158.13
    $ 158.13

    Sollos TR15SS1-INT-150 Stainless Steel Low Voltage Transformer 150 Watt 997015 Spec Sheet Transformer Characteristics:• Integral photocell and time...

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    $ 0.00 - $ 0.00
    $ 0.00
    $ 158.13
    $ 158.13 - $ 158.13
    $ 158.13

  • Sollos Integrated Series - Built-In Photocell and Timer TR12PC-INT-100 100 VA

    Sollos
    $ 79.01 - $ 79.01
    $ 79.01
    $ 79.01 - $ 79.01
    $ 79.01

    Spec Sheet TR12PC-INT-100 997012 100W POLYCARBONATE TRANSFORMER 12V INTEGRATED PHOTOCELL AND TIMER 1 COMMON

    $ 79.01 - $ 79.01
    $ 79.01
    $ 79.01 - $ 79.01
    $ 79.01

  • Sollos TRANSFORMERS Commercial Series TR15SS-300 300 VA

    Sollos
    $ 290.02 - $ 290.02
    $ 290.02
    $ 290.02 - $ 290.02
    $ 290.02

    Spec Sheet TR15SS-300 998004 300W STAINLESS STEEL TRANSFORMER 12-15V 2 COMMONS

    $ 290.02 - $ 290.02
    $ 290.02
    $ 290.02 - $ 290.02
    $ 290.02
  • Sold out

    Sollos TRANSFORMERS Commercial Series TR15SS-150 150 VA

    Sollos
    $ 250.47 - $ 250.47
    $ 250.47
    $ 250.47 - $ 250.47
    $ 250.47

    Spec Sheet TR15SS-150 998001 150W STAINLESS STEEL TRANSFORMER 12-15V 2 COMMONS

    $ 250.47 - $ 250.47
    $ 250.47
    $ 250.47 - $ 250.47
    $ 250.47
    Sold out
  • Sold out

    Sollos Bluetooth Smart Series Transformer TR14ST-150 150 VA

    Sollos
    $ 319.00 - $ 319.00
    $ 319.00
    $ 319.00 - $ 319.00
    $ 319.00

    Spec Sheet TR14ST-150 998010 150W STAINLESS SMART TRANSFORMER 14VAC

    $ 319.00 - $ 319.00
    $ 319.00
    $ 319.00 - $ 319.00
    $ 319.00
    Sold out

Quick choosing guide

  1. Size the load: add fixture watts and pick a transformer with ~20–30% headroom (e.g., 180W load → 300W transformer).
  2. Pick your taps: choose multi-tap 12–15V to keep the farthest fixtures near 11–12V.
  3. Plan control: dusk-to-dawn photocell, astronomic timer, or app/Wi-Fi for schedules.
  4. Choose enclosure: stainless for coastal/high-exposure; powder-coat for standard sites.
  5. Wiring layout: use hub or T-splits with heavier gauge cable on long runs to minimize drop.

Pro tips: Mount the transformer vertical and above grade with a drip loop, land 120V on a GFCI-protected circuit, and aim for ~11–12V at the farthest fixture. Group similar run lengths together, upsize cable on long pulls, and leave slack for service.

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