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NEMA 4 Enclosures & Boxes

NEMA 4 enclosures offer indoor and outdoor solutions for watertight electrical applications. Boxes meeting NEMA 4 standards ensure protection for your equipment in adverse conditions including rain, sleet and snow, as well as, splashing or hose directed water. With a wide range of sizes, from small to large, we make it easy to find the perfect NEMA 4 enclosure solution. Available materials include plastic, aluminum, steel and stainless steel. NEMA 4 boxes come in a variety of styles including hinged, junction box, pole-mount and more.

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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
    As low as $11.26 per unit
    1.97 x 1.77 x 1.12 in.
    50.04 x 44.96 x 28.45 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
    As low as $4.82 per unit
    1.97 x 1.77 x 1.12 in.
    50.04 x 44.96 x 28.45 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
    As low as $11.26 per unit
    2.19 x 1.61 x 1.22 in.
    55.63 x 40.89 x 30.99 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
    As low as $5.04 per unit
    2.19 x 1.61 x 1.22 in.
    55.63 x 40.89 x 30.99 mm.
    Material: Aluminum
  5. WA-20*16 Gray indoor NEMA 4x waterproof enclosure for electronics - 2.28 x 2.52 x 1.38 inches
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    WA-20
    As low as $3.23 per unit
    2.28 x 2.52 x 1.38 in.
    57.91 x 64.01 x 35.05 mm.
    Material: ABS
  6. WA-20F*16 Gray indoor NEMA 4x waterproof enclosure for electronics with wall mount flange - 2.28 x 2.52 x 1.38 inches
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    WA-20F
    As low as $3.23 per unit
    2.28 x 2.52 x 1.38 in.
    57.91 x 64.01 x 35.05 mm.
    Material: ABS
  7. WC-20*1508 Gray with Clear Cover outdoor NEMA 4x enclosure for electronics - 2.28 x 2.52 x 1.38 inches
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    WC-20
    As low as $4.02 per unit
    2.28 x 2.52 x 1.38 in.
    57.91 x 64.01 x 35.05 mm.
    Material: Polycarbonate
  8. WC-20F*1508 Gray with Clear Cover outdoor NEMA 4x enclosure for electronics - 2.28 x 2.52 x 1.38 inches
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    WC-20F
    As low as $4.13 per unit
    2.28 x 2.52 x 1.38 in.
    57.91 x 64.01 x 35.05 mm.
    Material: Polycarbonate
  9. WP-20*15 Gray outdoor NEMA 4x waterproof enclosure - 2.28 x 2.52 x 1.38 inches
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    WP-20
    As low as $3.90 per unit
    2.28 x 2.52 x 1.38 in.
    57.91 x 64.01 x 35.05 mm.
    Material: Polycarbonate
  10. small plastic enclosures
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    WP-20F
    As low as $4.13 per unit
    2.28 x 2.52 x 1.38 in.
    57.91 x 64.01 x 35.05 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
    As low as $5.17 per unit
    2.52 x 2.28 x 1.38 in.
    64.01 x 57.91 x 35.05 mm.
    Material: Aluminum
  12. Timer Module

    Polycase Customization Services

    Minimal cost. Maximum impact.

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  13. AN-01P Natural diecast aluminum enclosure for electronics - 2.52 x 2.28 x 1.38 inches
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    AN-01P
    As low as $4.82 per unit
    2.52 x 2.28 x 1.38 in.
    64.01 x 57.91 x 35.05 mm.
    Material: Aluminum
  14. Small black plastic waterproof enclosure
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    HD-22F
    As low as $3.64 per unit
    2.63 x 2.63 x 1.63 in.
    66.80 x 66.80 x 41.40 mm.
    Material: Polycarbonate
  15. ML-22F*15 Gray outdoor waterproof enclosure rated NEMA 4x and NEMA 6P - 2.63 x 2.63 x 1.63 inches
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    ML-22F
    As low as $5.45 per unit
    2.63 x 2.63 x 1.63 in.
    66.80 x 66.80 x 41.40 mm.
    Material: Polycarbonate
  16. 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
    As low as $15.20 per unit
    3.13 x 2.93 x 2.05 in.
    79.50 x 74.42 x 52.07 mm.
    Material: Aluminum
  17. AN-19P Natural diecast aluminum enclosure for electronics - 3.13 x 2.93 x 2.05 inches
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    AN-19P
    As low as $8.66 per unit
    3.13 x 2.93 x 2.05 in.
    79.50 x 74.42 x 52.07 mm.
    Material: Aluminum
  18. WA-31*16 Gray indoor NEMA 4x waterproof enclosure for electronics - 3.23 x 3.15 x 2.17 inches
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    WA-31
    As low as $5.19 per unit
    3.23 x 3.15 x 2.17 in.
    82.04 x 80.01 x 55.12 mm.
    Material: ABS
  19. WA-31F*16 Gray indoor NEMA 4x waterproof enclosure for electronics with wall mount flange - 3.23 x 3.15 x 2.17 inches
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    WA-31F
    As low as $5.45 per unit
    3.23 x 3.15 x 2.17 in.
    82.04 x 80.01 x 55.12 mm.
    Material: ABS
  20. WC-31*1508 Gray with Clear Cover outdoor NEMA 4x enclosure for electronics - 3.23 x 3.15 x 2.17 inches
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    WC-31
    As low as $7.40 per unit
    3.23 x 3.15 x 2.17 in.
    82.04 x 80.01 x 55.12 mm.
    Material: Polycarbonate
  21. WC-31F*1508 Gray with Clear Cover outdoor NEMA 4x enclosure for electronics - 3.23 x 3.15 x 2.17 inches
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    WC-31F
    As low as $7.76 per unit
    3.23 x 3.15 x 2.17 in.
    82.04 x 80.01 x 55.12 mm.
    Material: Polycarbonate
  22. WP-31*15 Gray outdoor NEMA 4x waterproof enclosure - 3.23 x 3.15 x 2.17 inches
    Add to Compare Add to Wish List
    WP-31
    As low as $7.40 per unit
    3.23 x 3.15 x 2.17 in.
    82.04 x 80.01 x 55.12 mm.
    Material: Polycarbonate
  23. WP-31F*15 Gray outdoor NEMA 4x waterproof enclosure - 3.23 x 3.15 x 2.17 inches
    Add to Compare Add to Wish List
    WP-31F
    As low as $7.76 per unit
    3.23 x 3.15 x 2.17 in.
    82.04 x 80.01 x 55.12 mm.
    Material: Polycarbonate
  24. Timer Module

    Polycase Customization Services

    Minimal cost. Maximum impact.

    Learn More

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Customization Services

CNC Machining

From simple cutouts to threaded or counterbored holes, we can machine virtually any size or shape opening.
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Digital Printing

Skip the label with our vibrant, full-color graphics printed right onto your enclosure.
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waterproof electrical enclosure