IP66 Enclosures

IP66 enclosures offer waterproof protection for your electronic and electrical components in indoor and outdoor applications. Durable IP66 cases and junction boxes are available in a variety of sizes and styles. Material options for IP66 enclosures include plastic, steel, and aluminum. Meeting IP66 ratings ensures components and devices stay protected in dusty, dirty and wet environments. IP66 rated boxes are designed for use in a wide range of industries such as oil and gas, alternative energy, marine, telecommunications and more.

Polycase IP Ratings are based on the NEMA 250 to IEC 60529 conversion table published by NEMA.org.

Looking for a different IP rating? Check out all of our IP-rated enclosures. Find out more about IP66 enclosures and the levels of protection they offer below.

What Are the Features of an IP66 Enclosure?

IP66 enclosures are weatherproof outdoor enclosures with the following protective features:

  • Dust-tight protection for maximum performance against flying dust, dirt, debris, and other particulates
  • A high degree of protection against water ingress, including all types of precipitation as well as hose-directed washdowns

IP66 enclosures are as versatile as they are tough, and they’re rated for either indoor or outdoor use, making them a go-to choice for commercial and industrial enclosures of all kinds. See our IP66 enclosure guide for more about this rating, or read our IP rating guide to learn more about the IP system.

IP66 Electrical Enclosures from Polycase

Polycase offers a variety of high-quality IP-rated enclosures, including dozens of IP66-rated models. Some of the key features of our IP66 enclosure lineup include:

  • Water-resistant and dust-tight gaskets for superior ingress protection
  • Dual IP and NEMA enclosure ratings, often including NEMA 4X ratings for outstanding corrosion resistance
  • Constructed from durable materials like stainless steel, polycarbonate, and aluminum
  • Available in multiple configurations, including optional features such as wall mount flanges and mounting plates
  • Customize your enclosure through our in-house CNC machining and digital printing services, with instant quotes and fast turnarounds

Here, you’ll find our entire lineup of IP66 models, from stainless steel enclosures to polycarbonate and more. Use the sorting tools in the sidebar to find the size and features you need or browse all of our outdoor enclosures here.

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  1. ZH-040404
    As low as $27.91 per unit
    4.40 x 4.40 x 4.33 in.
    112 x 112 x 110 mm.
    Material: Polycarbonate
  2. ZH-060404
    As low as $34.89 per unit
    6.40 x 4.40 x 4.33 in.
    163 x 112 x 110 mm.
    Material: Polycarbonate
  3. ZH-060604
    As low as $39.18 per unit
    6.40 x 6.40 x 5.22 in.
    163 x 163 x 133 mm.
    Material: Polycarbonate
  4. ZH-080604
    As low as $42.06 per unit
    8.40 x 6.40 x 5.22 in.
    213 x 163 x 133 mm.
    Material: Polycarbonate
  5. ZH-080804
    As low as $48.37 per unit
    8.40 x 8.40 x 5.22 in.
    213 x 213 x 133 mm.
    Material: Polycarbonate
  6. ZH-100802
    As low as $46.46 per unit
    10.40 x 8.40 x 3.72 in.
    264 x 213 x 94 mm.
    Material: Polycarbonate
  7. ZH-100804
    As low as $48.02 per unit
    10.40 x 8.40 x 5.22 in.
    264 x 213 x 133 mm.
    Material: Polycarbonate
  8. ZH-100806
    As low as $51.20 per unit
    10.40 x 8.40 x 7.22 in.
    264 x 213 x 183 mm.
    Material: Polycarbonate
  9. ZH-101006
    As low as $52.79 per unit
    10.40 x 10.40 x 7.22 in.
    264 x 264 x 183 mm.
    Material: Polycarbonate
  10. ZH-121004
    As low as $51.79 per unit
    12.60 x 10.60 x 5.22 in.
    320 x 269 x 133 mm.
    Material: Polycarbonate
  11. ZH-121006
    As low as $55.48 per unit
    12.60 x 10.60 x 7.22 in.
    320 x 269 x 183 mm.
    Material: Polycarbonate
  12. Timer Module

    Customized enclosures in as little as 1 week

    Minimal cost. Maximum impact.

    Learn More
  13. ZH-121206
    As low as $62.80 per unit
    12.60 x 12.60 x 7.22 in.
    320 x 320 x 183 mm.
    Material: Polycarbonate
  14. ZH-141206
    As low as $66.46 per unit
    14.60 x 12.60 x 7.22 in.
    371 x 320 x 183 mm.
    Material: Polycarbonate
  15. ZH-141406
    As low as $74.71 per unit
    14.60 x 14.60 x 7.22 in.
    371 x 371 x 183 mm.
    Material: Polycarbonate
  16. ZH-161407
    As low as $82.96 per unit
    16.60 x 14.60 x 8.25 in.
    422 x 371 x 210 mm.
    Material: Polycarbonate

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