GTX Unit Substation

Marina Electrical Equipment’s GTX™ Unit Substations are designed and manufactured to maximize cable and installation cost savings through integration of a dry-type isolation transformer and factory-installed secondary panelboard. Constructed of the highest quality powder-coated stainless steel, GTX™ Unit Substations are designed to withstand the harsh, corrosive environments found in marinas and boatyards.

Standard Dimensions: 72″ H 45″ W 42/46″ D

Standard Features of GTX Unit Substation:

  • ETL Listed, tested in accordance with Underwriters Laboratories-1062 standards, CAN/CSA Standard C22.2 No.31-10 and NFPA 303.
  • Single Phase dry-type isolation transformers available to 330kVA.
  • Three Phase dry-type isolation transformers available to 300kVA.
  • (2) 2.5% FCAN and (2) 2.5% FCBN Primary Taps to compensate for varying incoming voltages.
  • Transformer and secondary-side distribution panel mounted in single NEMA 3RX stainless steel enclosure with single lockable access door (patent-pending).
  • Integrated panelboard sizes up to 1200-ampere main circuit breaker/main lug.
  • Extra-large wiring access area with removable gland plate for simple cable entry/knockouts.
  • Stainless steel hardware.
  • 360-degree “Take-Apart” enclosure construction.
  • Simple mounting and installation design:
    • Lifting: engineered lifting eyes designed/tested to lift four (4) times unit substation static weight (concealed beneath removable solar shield)
    • Handling/Positioning: front/side fork access.
    • Positioning: bottom rolling rails.
  • Mounting: 1/2” mounting slots at each corner (concealed behind removable access panels).
  • Standard 12” base height, requiring no field-curbing or modifications to comply with 12” datum plane requirements.
  • White textured powder-coat exterior finish.
  • Thermo-statically controlled axial fans maintain efficient operating temperature.
  • Fine-stranded, tin-plated copper leads.
  • Limited 1-year warranty.

Optional Features of GTX Unit Substation:

  • Primary Voltages: 480V Single Phase, 480V Delta Three Phase, or 600V Delta Three Phase.
  • Secondary Voltages: 120/240V Single Phase, 208Y/120V Three Phase, 220Y/127V Three-Phase.
  • 50 Hz or 60 Hz Frequency
  • Primary Disconnect or Panelboard.
  • Integrated Surge Protective Device (SPD) for supreme surge protection.
  • Integrated Ground Fault Monitor Relay(s) (GFM) for maximum safety.
  • Custom Configurations Available.
  • Dual Phase Isolation Transformers

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GTX Unit Substation