UL508A NEMA 4X OR 3SX Rated

Call us for more information: 440-269-4966

Integra’s Strongbox NEMA 4X & 3SX Stainless Steel Enclosure line is fully customizable to your application; tell us what you want, and we’ll deliver within the industry’s fastest lead times.

With over 30 years of proven manufacturing experience, Integra Enclosures manufactures and delivers UL approved products to customers when they want it and how they want it. Using our state-of-the-art technology and proven designs, we specialize in the custom sizes and configurations that you need.


  • UL508A NEMA 4X or 3SX Rated
  • Chemical, Corrosion & Hosedown Resistant
  • Multiple Latch, Mounting and Hinge Design Options
  • Custom Sizing up to 90″ in height
  • Capabilities of Multiple Doors up to 5
  • Foam-In-Place Gasket and Grade #4 Brush Finish
  • Industry’s Fastest Lead Times
  • 30 Years of Proven Manufacturing Experience

Custom Enclosures Photo Gallery


Machining & Sizing

Integra can custom manufacture enclosures up to 90 inches tall with the capabilities of multiple doors up to 5. Precise CNC Machining is offered on every enclosure and completed in house to Integra’s high quality standards. Whether you need cut outs for conduit, push buttons, disconnect switches or HMI screens, Integra has you covered.

Printing & Etching

  • Choose from a wide range of RAL powder coat colors.
  • Full color silk screening with optional UV protective coating.
  • Laser etching for precise, durable graphics.

Latch Options

  • Quarter-Turn Latch
  • Pad Lockable 3-Point Latch
  • Integra Locking Latch
  • T-Handle Latch
  • Wing Nut Latch
  •  L-Handle Latch

Hinge Options

  • Removable Pin Hinge (PingeTM)
  • Continuous Piano Hinge
  • Lift Off Hinge

Mounting Options

  • Welded or Bolted Mounting Tabs
  • Welded or Bolted Mounting Flange
  • Rivet Nuts or Through Holes
  • Multiple Sizes of Legs


  • Back Panels & Swing Panels
  • Windows (Flush or Exterior Mount)
  • PEM Fasteners
  • Literature Trays
  •  Eye Bolts

Providing Everything You Need

Our wide range of products and unmatched manufacturing capabilities help us create the best enclosure solution for you.