NEMA 3RX Enclosures

NEMA 3RX enclosures are constructed for indoor or outdoor use. NEMA 3RX enclosures provide the same protection as NEMA 3R enclosures, but with an added level of corrosion protection. Find a range of convenient sizes and styles of NEMA 3RX enclosures and junction boxes molded from polycarbonate plastic for electrical applications.

Need a different NEMA enclosure rating? View all our NEMA enclosures here, or learn more about NEMA 3RX electrical enclosures below.

Understanding NEMA 3RX Enclosures

The NEMA 3RX rating, as established by the National Electrical Manufacturers Association, means an electrical enclosure provides a strong degree of protection against:

  • Rain, snow and sleet
  • Falling dirt
  • Ingress of water from light splashing
  • Corrosion
  • Access to or contact with hazardous parts

These characteristics make NEMA 3RX enclosures a common choice for protecting electrical equipment in both outdoor and indoor applications. Like NEMA 3R enclosures, they’re not always required to include a gasket seal, although many models are built with one in order to satisfy multiple ratings at once.

Note that the NEMA 3RX is just one of several variant ratings under the NEMA 3 standard. Others include NEMA Type 3R, 3S and 3SX, and each has slightly different protective qualities. For more information on these, see our NEMA 3 vs. NEMA 3R guide, or our comprehensive guide to NEMA ratings.

NEMA 3RX Enclosures From Polycase

Our wide selection of NEMA rated enclosures includes many models UL Listed for compliance with the NEMA 3RX rating. On this page, you’ll discover a variety of versatile polycarbonate NEMA enclosures suitable for both outdoor and indoor use, in numerous adverse environmental conditions.

Need additional protection from environmental factors like windblown dust, hose-directed water or even submersion? Polycase’s NEMA 3RX models also offer compliance with NEMA standards like NEMA 12, NEMA 4X and NEMA 6P. This allows us to offer dust-tight, waterproof, corrosion-resistant protection that goes above and beyond the specific requirements of the NEMA 3RX enclosure type.

In addition to a strong level of protection for your sensitive electrical components, our enclosures are available with a variety of features and accessories that make them versatile and easy to use. From clear covers to DIN rail kits, we offer plenty of options and make it easy to explore them. Finally, don’t forget about the robust customization options available through our in-house CNC machining and digital printing services.

52 Items

/
View as Grid List
Page
1 of 3
  1. 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
  2. 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
  3. ZH-040404 Hinged NEMA Enclosure
    As low as $26.47 per unit
    Internal: 3.7" x 3.7" x 4.0"
    95 x 95 x 102 mm
    External: 4.4" x 4.4" x 4.3"
    112 x 112 x 110 mm
    Material: Polycarbonate
  4. ZQ-040404 Electrical Junction Box
    As low as $25.06 per unit
    Internal: 3.7" x 3.7" x 4.0"
    95 x 95 x 102 mm
    External: 4.4" x 4.4" x 4.3"
    112 x 112 x 110 mm
    Material: Polycarbonate
  5. ML-24F Outdoor NEMA Enclosure
    As low as $7.99 per unit
    Internal: 4.1" x 2.2" x 1.7"
    105 x 57 x 44 mm
    External: 4.5" x 2.6" x 2.0"
    114 x 67 x 52 mm
    Material: Polycarbonate
  6. ML-44F Outdoor NEMA Enclosure
    As low as $11.10 per unit
    Internal: 4.0" x 4.0" x 2.1"
    103 x 103 x 54 mm
    External: 4.5" x 4.5" x 2.4"
    114 x 114 x 62 mm
    Material: Polycarbonate
  7. ML-34F Outdoor NEMA Enclosure
    As low as $8.67 per unit
    Internal: 4.1" x 3.1" x 1.9"
    105 x 79 x 49 mm
    External: 4.5" x 3.5" x 2.2"
    115 x 90 x 57 mm
    Material: Polycarbonate
  8. HD-24F NEMA Polycarbonate Enclosure
    As low as $5.46 per unit
    Internal: 4.1" x 2.1" x 1.2"
    106 x 54 x 30 mm
    External: 4.6" x 2.6" x 1.6"
    118 x 67 x 41 mm
    Material: Polycarbonate
  9. HD-25F NEMA Polycarbonate Enclosure
    As low as $5.72 per unit
    Internal: 4.1" x 2.1" x 1.9"
    106 x 54 x 49 mm
    External: 4.6" x 2.6" x 2.3"
    118 x 67 x 60 mm
    Material: Polycarbonate
  10. HD-44F NEMA Polycarbonate Enclosure
    As low as $7.64 per unit
    Internal: 4.1" x 4.1" x 1.9"
    106 x 106 x 48 mm
    External: 4.6" x 4.6" x 2.3"
    118 x 118 x 60 mm
    Material: Polycarbonate
  11. HD-35F NEMA Polycarbonate Enclosure
    As low as $6.71 per unit
    Internal: 5.0" x 3.0" x 1.1"
    128 x 77 x 29 mm
    External: 5.5" x 3.5" x 1.5"
    140 x 89 x 38 mm
    Material: Polycarbonate
  12. electronics enclosure

    NEMA-RATED ENCLOSURES

    Available in a variety of materials, sizes, and styles

    SHOP NEMA ENCLOSURES
  13. HD-36F Black Waterproof Box
    As low as $7.04 per unit
    Internal: 5.0" x 3.0" x 1.8"
    128 x 77 x 48 mm
    External: 5.5" x 3.5" x 2.3"
    140 x 89 x 60 mm
    Material: Polycarbonate
  14. ML-45F Outdoor NEMA Enclosure
    As low as $11.28 per unit
    Internal: 5.0" x 3.6" x 2.1"
    129 x 93 x 54 mm
    External: 5.5" x 4.1" x 2.4"
    140 x 105 x 62 mm
    Material: Polycarbonate
  15. ML-46F Outdoor NEMA Enclosure
    As low as $12.02 per unit
    Internal: 5.6" x 4.2" x 2.1"
    145 x 107 x 54 mm
    External: 6.1" x 4.6" x 2.4"
    156 x 118 x 62 mm
    Material: Polycarbonate
  16. ZH-060404 Hinged Plastic Enclosure
    As low as $33.45 per unit
    Internal: 5.7" x 3.7" x 4.0"
    146 x 95 x 102 mm
    External: 6.4" x 4.4" x 4.3"
    163 x 112 x 110 mm
    Material: Polycarbonate
  17. ZQ-060404 Electrical Junction Box
    As low as $31.68 per unit
    Internal: 5.7" x 3.7" x 4.0"
    146 x 95 x 102 mm
    External: 6.4" x 4.4" x 4.3"
    163 x 112 x 110 mm
    Material: Polycarbonate
  18. ZH-060604 Hinged Junction Box
    As low as $37.74 per unit
    Internal: 5.7" x 5.7" x 4.8"
    146 x 146 x 124 mm
    External: 6.4" x 6.4" x 5.2"
    163 x 163 x 133 mm
    Material: Polycarbonate
  19. ZQ-060604 Waterproof Junction Box
    As low as $35.79 per unit
    Internal: 5.7" x 5.7" x 4.8"
    146 x 146 x 124 mm
    External: 6.4" x 6.4" x 5.2"
    163 x 163 x 133 mm
    Material: Polycarbonate
  20. ML-36F Outdoor NEMA Enclosure
    As low as $11.01 per unit
    Internal: 6.0" x 2.8" x 2.5"
    154 x 71 x 65 mm
    External: 6.5" x 3.2" x 3.3"
    165 x 83 x 86 mm
    Material: Polycarbonate
  21. HD-46F NEMA Polycarbonate Enclosure
    As low as $7.63 per unit
    Internal: 6.1" x 4.1" x 1.1"
    156 x 106 x 29 mm
    External: 6.6" x 4.6" x 1.6"
    168 x 119 x 41 mm
    Material: Polycarbonate
  22. HD-45F Black Waterproof Box
    As low as $8.02 per unit
    Internal: 6.1" x 4.1" x 1.9"
    156 x 106 x 48 mm
    External: 6.6" x 4.6" x 2.3"
    168 x 119 x 60 mm
    Material: Polycarbonate
  23. ML-48F Weatherproof NEMA Enclosure
    As low as $12.43 per unit
    Internal: 7.1" x 4.1" x 1.9"
    181 x 105 x 49 mm
    External: 7.6" x 4.6" x 2.2"
    193 x 117 x 57 mm
    Material: Polycarbonate
  24. electronics enclosure

    NEMA-RATED ENCLOSURES

    Available in a variety of materials, sizes, and styles

    SHOP NEMA ENCLOSURES

52 Items

/
View as Grid List
Page
1 of 3

You added product to the Comparison List

Customization Services

CNC Machining

Receive your enclosures with the cutouts you need, so they are ready to go to work for you. 
Learn More

Digital Printing

Weatherproof and chemical-resistant ink printed directly onto the enclosure, that won't peel, bubble or scratch.
Learn More

Minimal Cost. Maximum Impact.

outdoor waterproof enclosure

We use cookies to ensure that we give you the best experience on our website. To learn more, go to the Privacy Page.

Close