Ensto PolyBox

Rugged Industrial Enclosures


Ensto PolyBox enclosures are rugged industrial polycarbonate enclosures with unique and innovative features, such as the integral nonmetallic latch and a corner elevator mounting system for adjustable hinged front kits and back panels.

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Guide to choosing durable enclosures

More than a box – all the benefits in one enclosure!

  • JIC* sized nonmetallic enclosure design with new stylish and robust feel and look.
  • Light and tough – excellent impact and fire resistance
  • Technical features and approval on high level
  • Multiple modification possibilities
    – Holes & cutouts
    – Threads & countersinking
    – Silk-screening
    – Ask for other options!

* Joint Industry Council

No compromise on raw-material in any circumstance!

  • Polycarbonate is suitable for demanding conditions and outdoor use
    - Polycarbonate is light and tough
    - Polycarbonate has excellent impact and fire resistance
    - Easily machined with standard tools
    - Halogen free UL-listed raw-material
  • Long-term research and development experience in Ensto will lead to consistent high-quality product and prevents quality problems

Design for durability

Integral Nonmetallic Latch

A robust padlockable nonmetallic latch with only one moving part, providing superior protection.

Corner Elevator System

Ensto’s industry exclusive corner elevator system uses a slotted shelf technology that provides solid hinged front surfaces that are easy to install, align and keep level. This system also allows for a back panel to be raised off the back of the enclosure.

Note! The markings help you to install all of the elevator parts at the same height.

Standard Features

Six Sizes

  • 8 x 6 x 4
  • 10 x 8 x 6
  • 12 x 10 x 6
  • 14 x 12 x 6
  • 16 x 14 x 8
  • 18 x 16 x 10

Two Cover Styles

  • Opaque (UPCG)
  • Transparent (UPCT)

Two Mounting Options

  • Flange (F)
  • Adjustable Feet


  • Holes & Cutouts
  • Threads and countersinking
  • Silk-screening
  • Painting
  • Ask for other options!


  • Back Panels:
    – Galvanized Steel
    – White painted steel
    – Aluminium
    – Polycarbonate
  • Hinged Front Kits
  • Full Cover Front Panel (Deadfront)
  • Ventilation Devices
  • Cord Grips

Technical Information

  • Certified according standards EN62208, UL508A
  • Degree of protection:
    – IP66 / IP68 / IP69 (submersion 2m/24h)
  • Impact resistance:
    – IK10 -35°C... +40°C (-31F ... 104F)
  • Environmental type (UL):
    – 4X,12,13,6P
  • Flammability rating:
    – UL 746C five inch flame test
  • Operating temperature -40°C (-40F)...+80°C (176F)
  • Short term temperature range -40°C (-40F) ...+120°C (246F)

Other Features

  • DIN Rail mounting bosses in the back of the enclosure
  • Mounting bosses inside the opaque covers to mount back panels or printed circuit boards