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Plastic Enclosures

Plastic enclosures are designed to house and protect sensitive electronic and electrical components in a variety of applications. Our high-quality and durable plastic housings are molded from flame-retardant ABS or impact-resistant polycarbonate for indoor or outdoor applications that require non-metallic enclosures. Available in an array of sizes, shapes and colors, our selection ensures you can find the right solution for any application.

From small plastic boxes for potting applications to heavy-duty plastic boxes for industrial use, we have a non-metallic enclosure solution to fit your needs. Check out our guide on ABS vs. polycarbonate enclosures, or read below to learn more about the basics of Polycase’s plastic enclosures.

What Are the Applications of Plastic Enclosures?

Applications and uses for plastic electronics enclosures are endless, which is why Polycase’s plastic enclosure solutions are the go-to option for professionals in a huge variety of fields. Some popular non-metallic enclosure applications include desktop and handheld devices, remote sensors, junction boxes, industrial control boxes, wireless and telecommunication devices, and more.

The durability and versatility of plastic enclosure boxes enable them to fulfill all of these roles and more. Many of our polycarbonate models feature weatherproof and watertight construction with NEMA and IP ratings. What’s more, both our polycarbonate and ABS plastic enclosures often have flame-retardant properties to help keep your most important equipment safe. Plus, we offer a variety of form factors, including handheld enclosures with useful built-in features like battery compartments and buttons.

Why Choose Plastic Electronic Enclosures from Polycase?

We design our enclosures for maximum versatility and maximum value, with features including:

  • Multiple stock configuration options including built-in wall mount flanges, optional clear lids, and PCB mounting bosses (depending on model)
  • Many models UL Listed for compliance with common NEMA and IP ratings, including NEMA 4X and IP66
  • Easy customization options with CNC machining and digital printing
  • Wide range of accessories including DIN rails, cable glands, and more

Shop our lineup of plastic enclosures here and find the ideal enclosure solution for your equipment.

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  1. SG-10-02 Gray polycarbonate electrical enclosure - 3.31 x 3.23 x 2.17 inches
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    SG-10 Weatherproof NEMA Enclosure
    As low as $15.51 per unit
    Internal: 2.9" x 2.8" x 1.8"
    75 x 73 x 47 mm
    External: 3.3" x 3.2" x 2.1"
    84 x 82 x 55 mm
    Material: Polycarbonate
  2. SG-17-02 Gray plastic electrical box for outdoor applications - 3.31 x 3.23 x 3.31 inches
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    SG-17 Weatherproof NEMA Enclosure
    As low as $17.15 per unit
    Internal: 2.9" x 2.8" x 3.0"
    74 x 72 x 77 mm
    External: 3.3" x 3.2" x 3.3"
    84 x 82 x 84 mm
    Material: Polycarbonate
  3. German-made enclosure from Polycase
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    SG-11 Weatherproof NEMA Enclosure
    As low as $16.87 per unit
    Internal: 4.4" x 2.8" x 1.8"
    113 x 73 x 47 mm
    External: 4.8" x 3.2" x 2.1"
    122 x 82 x 55 mm
    Material: Polycarbonate
  4. German-made enclosure from Polycase
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    SG-12 Weatherproof NEMA Enclosure
    As low as $22.07 per unit
    Internal: 4.5" x 4.4" x 3.0"
    115 x 113 x 77 mm
    External: 4.8" x 4.8" x 3.3"
    124 x 122 x 85 mm
    Material: Polycarbonate
  5. SG-13-02 Gray weatherproof electrical junction box - 6.38 x 4.8 x 3.54 inches
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    SG-13 Weatherproof NEMA Enclosure
    As low as $28.01 per unit
    Internal: 6.0" x 4.4" x 3.2"
    153 x 113 x 82 mm
    External: 6.3" x 4.8" x 3.5"
    162 x 122 x 90 mm
    Material: Polycarbonate
  6. SG-14-02 Gray outdoor NEMA rated electrical junction box - 7.95 x 5.98 x 3.54 inches
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    SG-14 Weatherproof NEMA Enclosure
    As low as $31.58 per unit
    Internal: 7.5" x 5.6" x 3.2"
    193 x 142 x 82 mm
    External: 7.9" x 5.9" x 3.5"
    202 x 152 x 90 mm
    Material: Polycarbonate
  7. SG-15-02 Gray weatherproof NEMA outdoor junction box - 9.92 x 6.38 x 4.72 inches
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    SG-15 Weatherproof NEMA Enclosure
    As low as $46.47 per unit
    Internal: 9.5" x 5.9" x 4.4"
    242 x 152 x 112 mm
    External: 9.9" x 6.3" x 4.7"
    252 x 162 x 120 mm
    Material: Polycarbonate
  8. SG-16-02 Gray waterproof electrical junction box - 11.89 x 9.13 x 4.33 inches
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    SG-16 Weatherproof NEMA Enclosure
    As low as $71.16 per unit
    Internal: 11" x 8.7" x 3.9"
    292 x 222 x 101 mm
    External: 11" x 9.1" x 4.3"
    302 x 232 x 110 mm
    Material: Polycarbonate
  9. SG-18-02 Gray plastic junction box for waterproof applications - 4.8 x 3.23 x 3.31 inches
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    SG-18 Weatherproof NEMA Enclosure
    As low as $19.23 per unit
    Internal: 4.4" x 2.8" x 3.0"
    113 x 73 x 77 mm
    External: 4.8" x 3.2" x 3.3"
    122 x 82 x 84 mm
    Material: Polycarbonate
  10. SG-19-02 Gray NEMA rated plastic box for electronics - 4.88 x 4.8 x 2.13 inches
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    SG-19 Weatherproof NEMA Enclosure
    As low as $18.88 per unit
    Internal: 4.5" x 4.4" x 1.8"
    115 x 113 x 47 mm
    External: 4.8" x 4.8" x 2.1"
    124 x 122 x 54 mm
    Material: Polycarbonate
  11. SG-20-02 Gray outdoor electrical junction box - 11.89 x 9.13 x 3.54 inches
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    SG-20 Weatherproof NEMA Enclosure
    As low as $65.74 per unit
    Internal: 11" x 8.7" x 3.2"
    292 x 223 x 81 mm
    External: 11" x 9.1" x 3.5"
    302 x 232 x 90 mm
    Material: Polycarbonate
  12. Timer Module

    CNC MACHINING | DIGITAL PRINTING

    Reliable customization services available on hundreds of sizes and styles, with full online quoting and ordering. No minimum order requirements, lead times as fast as one-week and no scrap costs.

    CREATE YOUR CUSTOM QUOTE
  13. SG-21-02 Gray electrical enclosure - 6.38 x 3.22 x 2.13 inches
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    SG-21 Weatherproof NEMA Enclosure
    As low as $18.97 per unit
    Internal: 6.0" x 2.8" x 1.8"
    153 x 73 x 47 mm
    External: 6.3" x 3.2" x 2.1"
    162 x 82 x 54 mm
    Material: Polycarbonate
  14. SG-22-02 Gray outdoor waterproof electrical junction box - 7.95 x 4.8 x 2.91 inches
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    SG-22 Weatherproof NEMA Enclosure
    As low as $29.84 per unit
    Internal: 7.5" x 4.4" x 2.6"
    193 x 113 x 67 mm
    External: 7.9" x 4.8" x 2.9"
    202 x 122 x 74 mm
    Material: Polycarbonate
  15. 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
  16. SK-12-02 Gray knockout box for electrical and junction box applications - 3.7 x 2.56 x 2.24 inches
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    SK-12 Enclosure with Knockouts
    As low as $12.40 per unit
    Internal: 3.3" x 2.2" x 1.7"
    85 x 56 x 45 mm
    External: 3.7" x 2.5" x 2.2"
    94 x 65 x 57 mm
    Material: Polycarbonate
  17. SK-13-02 Gray outdoor NEMA electrical box with knockouts - 3.7 x 3.7 x 2.24 inches
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    SK-13 Enclosure with Knockouts
    As low as $14.25 per unit
    Internal: 3.3" x 3.3" x 1.7"
    85 x 85 x 45 mm
    External: 3.7" x 3.7" x 2.2"
    94 x 94 x 57 mm
    Material: Polycarbonate
  18. SK-14-02 Gray waterproof junction box with knockouts - 4.33 x 4.33 x 2.6 inches
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    SK-14 Enclosure with Knockouts
    As low as $19.05 per unit
    Internal: 3.9" x 3.9" x 2.1"
    101 x 101 x 54 mm
    External: 4.3" x 4.3" x 2.6"
    110 x 110 x 66 mm
    Material: Polycarbonate
  19. SK-15-02 Gray weatherproof electrical enclosure with knockouts - 5.12 x 3.7 x 2.24 inches
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    SK-15 Enclosure with Knockouts
    As low as $18.29 per unit
    Internal: 4.7" x 3.3" x 1.7"
    121 x 85 x 44 mm
    External: 5.1" x 3.7" x 2.2"
    130 x 94 x 57 mm
    Material: Polycarbonate
  20. SK-16-02 Gray electrical box with knockouts - 5.12 x 5.12 x 2.95 inches
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    SK-16 Enclosure with Knockouts
    As low as $23.53 per unit
    Internal: 4.7" x 4.7" x 2.4"
    121 x 121 x 62 mm
    External: 5.1" x 5.1" x 2.9"
    130 x 130 x 75 mm
    Material: Polycarbonate
  21. SK-17-02 Gray NEMA rated junction box with knockouts - 7.09 x 3.7 x 2.24 inches
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    SK-17 Enclosure with Knockouts
    As low as $23.67 per unit
    Internal: 6.7" x 3.3" x 1.7"
    171 x 85 x 44 mm
    External: 7.0" x 3.7" x 2.2"
    180 x 94 x 57 mm
    Material: Polycarbonate
  22. German-made knockout-box from Polycase
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    SK-18 Enclosure with Knockouts
    As low as $35.99 per unit
    Internal: 6.7" x 4.7" x 2.9"
    171 x 121 x 76 mm
    External: 7.0" x 5.1" x 3.3"
    180 x 130 x 84 mm
    Material: Polycarbonate
  23. SK-19-02 Gray NEMA 12K outdoor box with knockouts - 7.17 x 7.09 x 3.54 inches
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    SK-19 Enclosure with Knockouts
    As low as $41.33 per unit
    Internal: 6.7" x 6.8" x 3.2"
    171 x 174 x 81 mm
    External: 7.1" x 7.0" x 3.5"
    182 x 180 x 90 mm
    Material: Polycarbonate
  24. Timer Module

    CNC MACHINING | DIGITAL PRINTING

    Reliable customization services available on hundreds of sizes and styles, with full online quoting and ordering. No minimum order requirements, lead times as fast as one-week and no scrap costs.

    CREATE YOUR CUSTOM QUOTE

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