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CNC Machining & Graphics  | Instant online pricing on custom enclosures that ship in as little as 1 week. View Capabilities

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 our outdoor electrical enclosures.

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  1. AN-11F Natural diecast aluminum enclosure with flanges for wall mounting - 1.97 x 1.77 x 1.12 inches
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    AN-11F Diecast Aluminum NEMA Enclosure
    As low as $16.36 per unit
    Internal: 1.7" x 1.5" x 0.9"
    43 x 38 x 25 mm
    External: 1.9" x 1.7" x 1.1"
    50 x 45 x 28 mm
    Material: Aluminum
  2. AN-11P Natural diecast aluminum enclosure for electronics - 1.97 x 1.77 x 1.12 inches
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    AN-11P Diecast Aluminum NEMA Enclosure
    As low as $7.09 per unit
    Internal: 1.7" x 1.5" x 0.9"
    43 x 38 x 25 mm
    External: 1.9" x 1.7" x 1.1"
    50 x 45 x 28 mm
    Material: Aluminum
  3. AN-18F Natural diecast aluminum enclosure with flanges for wall mounting - 2.19 x 1.61 x 1.22 inches
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    AN-18F Diecast Aluminum NEMA Enclosure
    As low as $16.46 per unit
    Internal: 1.8" x 1.3" x 1.0"
    46 x 33 x 27 mm
    External: 2.1" x 1.6" x 1.2"
    56 x 41 x 31 mm
    Material: Aluminum
  4. AN-18P Natural diecast aluminum enclosure for electronics - 2.19 x 1.61 x 1.22 inches
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    AN-18P Diecast Aluminum NEMA Enclosure
    As low as $7.40 per unit
    Internal: 1.8" x 1.3" x 1.0"
    46 x 33 x 27 mm
    External: 2.1" x 1.6" x 1.2"
    56 x 41 x 31 mm
    Material: Aluminum
  5. WA-20 Electronic Enclosure
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    WA-20 ABS Indoor NEMA Enclosure
    As low as $5.13 per unit
    Internal: 1.9" x 2.2" x 1.1"
    50 x 56 x 30 mm
    External: 2.2" x 2.5" x 1.3"
    58 x 64 x 35 mm
    Material: ABS
  6. WA-20F Electronic Enclosure
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    WA-20F ABS Indoor NEMA Enclosure
    As low as $5.13 per unit
    Internal: 1.9" x 2.2" x 1.1"
    50 x 56 x 30 mm
    External: 2.2" x 2.5" x 1.3"
    58 x 64 x 35 mm
    Material: ABS
  7. WC-20 Electronic Enclosure
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    WC-20 Outdoor Enclosure with Clear Cover
    As low as $6.31 per unit
    Internal: 1.9" x 2.2" x 1.1"
    50 x 56 x 30 mm
    External: 2.2" x 2.5" x 1.3"
    58 x 64 x 35 mm
    Material: Polycarbonate
  8. WC-20F Electronic Enclosure
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    WC-20F Outdoor Enclosure with Clear Cover
    As low as $6.03 per unit
    Internal: 1.9" x 2.2" x 1.1"
    50 x 56 x 30 mm
    External: 2.2" x 2.5" x 1.3"
    58 x 64 x 35 mm
    Material: Polycarbonate
  9. WP-20 Electronic Enclosure
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    WP-20 Polycarbonate NEMA Enclosure
    As low as $6.15 per unit
    Internal: 1.9" x 2.2" x 1.1"
    50 x 56 x 30 mm
    External: 2.2" x 2.5" x 1.3"
    58 x 64 x 35 mm
    Material: Polycarbonate
  10. WP-20F Electronic Enclosure
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    WP-20F Polycarbonate NEMA Enclosure
    As low as $5.73 per unit
    Internal: 1.9" x 2.2" x 1.1"
    50 x 56 x 30 mm
    External: 2.2" x 2.5" x 1.3"
    58 x 64 x 35 mm
    Material: Polycarbonate
  11. AN-01F Natural diecast aluminum enclosure with flanges for wall mounting - 2.52 x 2.28 x 1.38 inches
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    AN-01F Diecast Aluminum NEMA Enclosure
    As low as $7.50 per unit
    Internal: 2.1" x 1.8" x 1.2"
    54 x 47 x 30 mm
    External: 2.5" x 2.2" x 1.3"
    64 x 58 x 35 mm
    Material: Aluminum
  12. Timer Module

    CNC MACHINING | DIGITAL PRINTING

    Quote and order online in minutes while cutting costs, saving time, and eliminating the third-party hassle.

    CREATE YOUR CUSTOM QUOTE
  13. AN-01P Natural diecast aluminum enclosure for electronics - 2.52 x 2.28 x 1.38 inches
    Add to Compare Add to Wish List
    AN-01P Diecast Aluminum NEMA Enclosure
    As low as $7.09 per unit
    Internal: 2.1" x 1.8" x 1.2"
    54 x 47 x 30 mm
    External: 2.5" x 2.2" x 1.3"
    64 x 58 x 35 mm
    Material: Aluminum
  14. SK-11-02 Gray outdoor NEMA rated electrical junction box with knockouts - 2.56 x 2.56 x 2.24 inches
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    SK-11 Enclosure with Knockouts
    As low as $9.91 per unit
    Internal: 2.2" x 2.2" x 1.7"
    56 x 56 x 45 mm
    External: 2.5" x 2.5" x 2.2"
    65 x 65 x 57 mm
    Material: Polycarbonate
  15. HD-22F Black Enclosure
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    HD-22F NEMA Polycarbonate Enclosure
    As low as $3.88 per unit
    Internal: 2.1" x 2.1" x 1.3"
    55 x 55 x 34 mm
    External: 2.6" x 2.6" x 1.6"
    67 x 67 x 41 mm
    Material: Polycarbonate
  16. Polycase waterproof electrical enclosure
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    ML-22F Outdoor NEMA Enclosure
    As low as $5.80 per unit
    Internal: 2.2" x 2.2" x 1.3"
    58 x 58 x 35 mm
    External: 2.6" x 2.6" x 1.6"
    67 x 67 x 41 mm
    Material: Polycarbonate
  17. AN-19F Natural diecast aluminum enclosure with flanges for wall mounting - 3.13 x 2.93 x 2.05 inches
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    AN-19F Diecast Aluminum NEMA Enclosure
    As low as $22.19 per unit
    Internal: 2.7" x 2.5" x 1.9"
    69 x 64 x 49 mm
    External: 3.1" x 2.9" x 2.0"
    80 x 74 x 52 mm
    Material: Aluminum
  18. AN-19P Natural diecast aluminum enclosure for electronics - 3.13 x 2.93 x 2.05 inches
    Add to Compare Add to Wish List
    AN-19P Diecast Aluminum NEMA Enclosure
    As low as $12.59 per unit
    Internal: 2.7" x 2.5" x 1.9"
    69 x 64 x 49 mm
    External: 3.1" x 2.9" x 2.0"
    80 x 74 x 52 mm
    Material: Aluminum
  19. WA-31 Electronic Enclosure
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    WA-31 ABS Indoor NEMA Enclosure
    As low as $6.95 per unit
    Internal: 2.9" x 2.8" x 1.9"
    74 x 72 x 49 mm
    External: 3.2" x 3.1" x 2.1"
    82 x 80 x 55 mm
    Material: ABS
  20. WA-31F Electronic Enclosure
    Add to Compare Add to Wish List
    WA-31F ABS Indoor NEMA Enclosure
    As low as $7.61 per unit
    Internal: 2.9" x 2.8" x 1.9"
    74 x 72 x 49 mm
    External: 3.2" x 3.1" x 2.1"
    82 x 80 x 55 mm
    Material: ABS
  21. WC-31 Electronic Enclosure
    Add to Compare Add to Wish List
    WC-31 Outdoor Enclosure with Clear Cover
    As low as $9.81 per unit
    Internal: 2.9" x 2.8" x 1.9"
    74 x 72 x 49 mm
    External: 3.2" x 3.1" x 2.1"
    82 x 80 x 55 mm
    Material: Polycarbonate
  22. WC-31F Electronic Enclosure
    Add to Compare Add to Wish List
    WC-31F Outdoor Enclosure with Clear Cover
    As low as $10.30 per unit
    Internal: 2.9" x 2.8" x 1.9"
    74 x 72 x 49 mm
    External: 3.2" x 3.1" x 2.1"
    82 x 80 x 55 mm
    Material: Polycarbonate
  23. WP-31 Electronic Enclosure
    Add to Compare Add to Wish List
    WP-31 Polycarbonate NEMA Enclosure
    As low as $9.81 per unit
    Internal: 2.9" x 2.8" x 1.9"
    74 x 72 x 49 mm
    External: 3.2" x 3.1" x 2.1"
    82 x 80 x 55 mm
    Material: Polycarbonate
  24. Timer Module

    CNC MACHINING | DIGITAL PRINTING

    Quote and order online in minutes while cutting costs, saving time, and eliminating the third-party hassle.

    CREATE YOUR CUSTOM QUOTE

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