Liberty Series Nautilus Below Grade Enclosure

This patent pending enclosure is the industry’s first below-grade single handle latching, fiber distribution hub. The Nautilus protects your fiber investment by keeping it out of sight, out of mind and out of harm’s way.

The Nautilus™ is designed to house OSP fiber and provide connectivity up to 288 fiber counts. The Nautilus features a patent pending single handle latching design which makes it user friendly and assures that the unit is sealed every time. The solution includes a mounting frame for easy access to the enclosure with lift-assist. The Nautilus is designed to be mounted below grade in a hand hole or vault but can also be pole mounted or pad mounted for an above-grade solution in flood prone areas. The Nautilus is Ideal for housing PON, Feeder/Distribution or any type FTTx technology, and is the most craft-friendly below grade cabinet on the market.

If you have a custom need please contact our enclosure specialists at (417) 736-2135.

Standard Offerings


  • .125 Aircraft Grade Aluminum. Outstanding corrosion resistance.
  • NEMA 6 Protection: Enclosure is protected from entry of water during occasional submersion.
  • Stainless Steel Hardware: We choose the highest quality materials to produce our enclosures. Type 304 stainless steel hardware will not rust in the field.
  • GR487 Powder Coat: Enclosures are powder coated and tested to the Telcordia GR487 specifications for telecom enclosures.
  • Numbered Adjustable Equipment Racks: 19″ Swing Rack
  • Below Grade: Provides water intrusion protection when fully submerged below grade.
  • Ground Terminal Strip: 12 position aluminum strip.
  • Locking: Extremely secure, strong and impermeable.  Lockable handles and hinges are made from Type 304 stainless steel.
  • Lifting Eyes: Crane ready lifting eyes for convenient way to offload and position your enclosure.

Available Options

Standard Color/FinishesConfiguration/LayoutOptions
  • Beige
  • White
  • Grey
  • Custom

Available in multiple configurations:


LGX Style

  • Splitters
  • Splice Trays
  • Adapter Plates

Splice Trays

  • 12 Count
  • 24 Count

Cassette Splitters

  • 1×8
  • 1×16
  • 1×32
  • 2×32
  • 1×64

Fiber Pigtail

  • Pre-Connectorized SC APC
  • Fiber Count 12, 24, 36, 48, 72, 96, 144
  • Loose Tube, Armored
    50′ or 100′

Mount Options

  • Vault
    48″L x 36″D x 36″W

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