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Unique 12V In-Ground Transformers

Unique Lighting Systems' Subterranean transformer is fully potted and sealed making it completely waterproof.
Equipped with primary fuse protection and optional secondary in-line fusing the Subterranean is ideal for commercial projects or residential applications where concealing the power source is necessary.

Engineered single core design with precision grain-oriented steel laminations. High temperature glass impregnated nylon bobbin and solid copper mag wire. To ensure robust construction each output tap is welded to the mag wire for optimum connectivity

Durable UV resistant composite box. Suitable for direct burial. Agency approval as “SUITABLE FOR GROUNDMOUNTED

Primary Protection
Replacable 3AG Time Delay (glass slow-blow fuse).

Unit must be hardwired.

Electrical Requirements
Available power ratings 310, 360, 500, 600, 840, 1120, 1500 and 1838 Watts. Primary voltage is 120 volts, secondary voltage varies from 12V-22V output. See individual models for exact output leads.

Output Terminal
Each DB includes ready to wire color coded 10 gauge output wire lead.

Features Include:

  • Available in 12 & 24 Volt
  • Single unit design
  • Compact footprint
  • Removable plug in lid for fixture mounting - 1/2-14 NPSM
  • Separated primary and secondary compartments
  • Conduit flats on all four sides