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Unique - 500DB - 500 Watt Direct Burial Transformer

Unique 500DB Direct Burial Transformer - 500W, 12-17V Output Leads

Brand: Unique
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$1,309.94
$982.45
SKU 500DB

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The Unique 500DB is a fully potted direct-burial transformer engineered for long-term outdoor use. Designed for landscape and architectural lighting, it delivers dependable 500 watts of power with multi-tap 12–17V output for precise fixture performance.

  • Fully potted, waterproof construction with injection-molded glass-filled resin housing and UV-resistant composite box.
  • 500W capacity with multi-tap secondary outputs (12V, 13V, 14V, 15V, 16V, 17V) and color-coded 10-gauge leads for straightforward wiring.
  • Primary 120V input; unit must be hardwired (no power cord) and features a replaceable 3AG time-delay primary fuse for overload protection.
  • Optional secondary in-line fusing and separate primary/secondary compartments for safer service access.
  • Conduit flats on all four sides and a 1/2"-14 NPSM threaded center hole for direct fixture mounting.
  • Compact, serviceable footprint — dimensions: 11.56" x 10.89" x 10.89" for concealed ground-mounted installations.

Ideal for commercial or residential projects where the power source must be concealed, the 500DB simplifies field wiring and maintenance while providing robust electrical protection and weather resistance. Includes Limited Lifetime Warranty against manufacturer defects; follow local codes and standard installation practices for buried electrical equipment.

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Frequently Asked Questions

What voltage outputs does the 500DB provide?
The 500DB offers multi-tap secondary outputs at 12V, 13V, 14V, 15V, 16V and 17V with color-coded 10-gauge leads.
How is the transformer installed and powered?
The unit requires a hardwired 120V primary connection (no power cord). It is intended for direct burial with proper conduit routing.
What protection and fusing does the 500DB include?
Includes a replaceable 3AG time-delay primary fuse; optional secondary in-line fusing is available for added circuit protection.
What are the unit dimensions and suitable applications?
Dimensions are 11.56" x 10.89" x 10.89". Suited for concealed, ground-mounted landscape and architectural lighting installations.