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IP Enclosures

IP rated enclosures are designed to protect electrical and electronic devices in environments exposed to dust, dirt, and moisture. Suitable for both indoor and outdoor applications, Polycase IP rated enclosures feature a waterproof gasket between the base and cover to help ensure a secure environmental seal. Enclosures in this category are either officially IP rated or designated as IP equivalent. When an enclosure is IP equivalent, its protection level is determined using the NEMA 250 to IEC 60529 conversion table published by NEMA to align the NEMA rating with the corresponding IP level. We offer durable enclosure options meeting IP65, IP66, IP67, and IP68 protection levels, making them ideal for use in virtually any industry or application. We also offer a full selection of NEMA rated enclosures and boxes.

IP rated housings are available in a variety of sizes, styles and materials, making it easy to find a solution to fit your needs. Looking for more information on IP rated enclosures? Read more below and learn the basics.

What Are IP Ratings?

The ingress protection rating scale is the most widely used system worldwide for rating the protective qualities of electrical enclosures. As its name suggests, it measures the degree of protection an enclosure provides to electrical equipment against both the ingress of water and the ingress of solid particles such as dust.

Ingress protection ratings are based on the International Electrical Code standard IEC 60529. For this reason, you’ll find the IP enclosure code used both in North America and in global markets such as the European Union and East Asia. It provides a unified standard that applies across many different enclosure types and helps device designers ensure that they’re using enclosures with the right level of protection.

IP ratings can be converted into the NEMA ratings more common in North America, but since NEMA ratings include various factors that IP ratings don’t, the reverse is not always possible. (For example, a NEMA 4X rating can’t be properly converted into an IP rating since it includes corrosion resistance.) See our IP to NEMA conversion guide for more information.

Reading an IP Rating

Interpreting IP ratings is simple once you understand the two-digit system that they use. The first digit measures solid ingress protection on an ascending scale of 1 to 6, while the second digit measures water ingress protection on an ascending scale of 1 to 8.

Let’s use an IP66 enclosure as an example. The first digit, 6, denotes a completely dust-tight enclosure that’s completely sealed against solid foreign objects such as dust, lint and shavings, as well as against accidental contact. The second digit, 6, denotes a watertight enclosure that’s resistant to rain, splashing, pressurized water jets and most other types of water ingress. (However, it’s not rated for complete submersion. You’ll need to step up to an IP67 or IP68 enclosure for that.)

Choosing an IP Rated Enclosure from Polycase

The first step in selecting an IP enclosure is always to consider the needs of the electrical components and devices that the enclosure will protect. See our IP ratings guide and our enclosure materials guide to compare choices and discover which is right for your application.

Ready to start looking for your enclosure? With our selection of enclosure designs from across the IP rating scale, Polycase makes it easy to find a high-quality box with the functionality you’re looking for. Our numerous material options — from stainless steel to polycarbonate — offer a full spectrum of protective properties. Browse all of our IP rated enclosure solutions on this page, or jump straight to our IP66 or IP68 rated enclosures.

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  1. AN-11F-02
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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-02
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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. outdoor electrical enclosure

    AMERICAN MADE | HP SERIES

    Engineered for reliability, the HP Series offers the weatherproof protection you need at a price you want. Available in black or gray, with an optional clear cover and various external mounting styles to best suit your project.

    SHOP THE HP SERIES
  13. AN-01P Natural diecast aluminum enclosure for electronics - 2.52 x 2.28 x 1.38 inches
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    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. Waterproof gray plastic enclosure for outdoor use
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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-02
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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
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    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
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    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. outdoor electrical enclosure

    AMERICAN MADE | HP SERIES

    Engineered for reliability, the HP Series offers the weatherproof protection you need at a price you want. Available in black or gray, with an optional clear cover and various external mounting styles to best suit your project.

    SHOP THE HP SERIES

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