NEMA 1 Enclosures & Boxes

NEMA 1 enclosures provide internal electrical components protection from contact with personnel and solid foreign objects, like falling dirt. NEMA Type 1 electrical enclosures are designed for indoor industrial environments. Polycase NEMA 1 boxes are available in plastic, steel or stainless steel in a variety of sizes.

From industrial control panels to lighting controls to junction boxes, Polycase has the perfect NEMA 1 enclosure to fit your needs. Looking for more information on NEMA 1 enclosures? Check out our guide to NEMA 1 enclosures, or read up on the essentials below.

What Is a NEMA 1 Enclosure?

The NEMA rating system is an industry standard, established by the National Electrical Manufacturers Association, that makes it easy to identify an electrical enclosure’s protective qualities. (See our complete guide to NEMA ratings for an in-depth look at the various types of NEMA-rated enclosure types.)

An enclosure with the NEMA 1 rating is designed for indoor use and offers a degree of protection against:

  • Accidental contact with hazardous parts
  • Falling dirt

NEMA 1 enclosures are a common choice for devices that need a tough and resilient enclosure, but don’t necessarily require protection against more severe hazards like rain, sleet, corrosion or windblown dust. However, NEMA 1 boxes also commonly carry more protective ratings that make them suitable for a wider variety of applications and environments.

Choosing Your NEMA 1 Enclosure from Polycase

Polycase’s NEMA 1 enclosure lineup includes sturdy enclosures designed for both indoor and outdoor use. Other ratings you’ll find on our NEMA enclosures include NEMA 12, NEMA 3R and NEMA 4X (all UL Listed for extensive and rigorous rating testing).

In addition to their NEMA ratings, our NEMA 1 boxes include useful features like hinged covers, knockouts, screw covers, wall mount flanges and more. Before you check out, don’t forget to explore our custom enclosure options! We offer everything from custom-machined cutouts for your cables and connectors to full-color, fade-resistant digital printing.

Ready to find your NEMA 1 enclosure solution? Shop all of our NEMA 1 rated models here, or see our NEMA boxes and enclosures.

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  1. WC-20
    As low as $5.74 per unit
    2.28 x 2.52 x 1.38 in.
    58 x 64 x 35 mm.
    Material: Polycarbonate
  2. WC-20F
    As low as $5.48 per unit
    2.28 x 2.52 x 1.38 in.
    58 x 64 x 35 mm.
    Material: Polycarbonate
  3. ML-22F
    As low as $5.80 per unit
    2.63 x 2.63 x 1.63 in.
    67 x 67 x 41 mm.
    Material: Polycarbonate
  4. WC-31
    As low as $8.92 per unit
    3.23 x 3.15 x 2.17 in.
    82 x 80 x 55 mm.
    Material: Polycarbonate
  5. WC-31F
    As low as $9.36 per unit
    3.23 x 3.15 x 2.17 in.
    82 x 80 x 55 mm.
    Material: Polycarbonate
  6. 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
  7. ZQ-040404
    As low as $26.50 per unit
    4.40 x 4.40 x 4.33 in.
    112 x 112 x 110 mm.
    Material: Polycarbonate
  8. ML-24F
    As low as $7.99 per unit
    4.50 x 2.63 x 2.05 in.
    114 x 67 x 52 mm.
    Material: Polycarbonate
  9. ML-44F
    As low as $11.10 per unit
    4.50 x 4.50 x 2.44 in.
    114 x 114 x 62 mm.
    Material: Polycarbonate
  10. WC-21
    As low as $8.75 per unit
    4.53 x 2.56 x 1.57 in.
    115 x 65 x 40 mm.
    Material: Polycarbonate
  11. WC-21F
    As low as $8.45 per unit
    4.53 x 2.56 x 1.57 in.
    115 x 65 x 40 mm.
    Material: Polycarbonate
  12. Timer Module

    Polycase Customization Services

    Minimal cost. Maximum impact.

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  13. WC-22
    As low as $9.47 per unit
    4.53 x 2.56 x 2.17 in.
    115 x 65 x 55 mm.
    Material: Polycarbonate
  14. WC-22F
    As low as $8.84 per unit
    4.53 x 2.56 x 2.17 in.
    115 x 65 x 55 mm.
    Material: Polycarbonate
  15. WC-23
    As low as $10.98 per unit
    4.53 x 3.54 x 2.17 in.
    115 x 90 x 55 mm.
    Material: Polycarbonate
  16. WC-23F
    As low as $9.95 per unit
    4.53 x 3.54 x 2.17 in.
    115 x 90 x 55 mm.
    Material: Polycarbonate
  17. WC-28
    As low as $12.93 per unit
    4.53 x 3.54 x 3.15 in.
    115 x 90 x 80 mm.
    Material: Polycarbonate
  18. WC-28F
    As low as $11.47 per unit
    4.53 x 3.54 x 3.15 in.
    115 x 90 x 80 mm.
    Material: Polycarbonate
  19. ML-34F
    As low as $8.67 per unit
    4.53 x 3.56 x 2.25 in.
    115 x 90 x 57 mm.
    Material: Polycarbonate
  20. WQ-35
    As low as $10.90 per unit
    4.72 x 3.53 x 2.82 in.
    120 x 90 x 72 mm.
    Material: Polycarbonate
  21. WC-36
    As low as $13.27 per unit
    4.72 x 4.72 x 2.36 in.
    120 x 120 x 60 mm.
    Material: Polycarbonate
  22. WC-36F
    As low as $13.93 per unit
    4.72 x 4.72 x 2.36 in.
    120 x 120 x 60 mm.
    Material: Polycarbonate
  23. WC-37
    As low as $14.28 per unit
    4.72 x 4.72 x 3.53 in.
    120 x 120 x 90 mm.
    Material: Polycarbonate
  24. Timer Module

    Polycase Customization Services

    Minimal cost. Maximum impact.

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Customization Services

outdoor enclosure for electronics

CNC Machining

Guaranteed accuracy, no scrap, with 1-3 week lead times; saving you time and money. It's that simple.
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Digital Printing

Enhance your product, impress your customers with high-quality graphics printed directly on the enclosure.
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