General Use Project Boxes & Enclosures

Project enclosures from Polycase offer an economical solution for housing circuit boards and electronic components. Our large selection of electronic project boxes come in a variety of styles, colors, and sizes.  Molded from flame-retardant ABS plastic or high-quality aluminum, our PCB enclosures are durable and reliable to ensure your circuit board is protected. Popular styles of circuit board enclosures include handheld enclosures and key fob cases for wireless applications, desktop-style enclosures for tabletop use, potting boxes, and many more. 

Project boxes are key components for all kinds of electronics projects, from hobbyists’ DIY electronics projects to product prototypes for new business ventures. Read more about these versatile project cases and their applications below.

What to Look for in Electronics Project Box Enclosures

Project boxes are key components for all kinds of electronics projects, from hobbyists’ DIY electronics projects to product prototypes for new business ventures. As with any other type of electronics enclosure, the needs of your application will determine the required specs and features of your electronics project box enclosure. These are some of the factors to consider:

  • Materials: Both metal and plastic project boxes offer their own advantages. ABS plastic project boxes are durable and highly cost-effective, while aluminum enclosures offer additional protection and built-in protection against electrical interference.
  • Form Factor: Small electronics projects often need an electrical enclosure with a specific form factor, such as a handheld, desktop, or wall mount module
  • Mounting Features: Check to see if your enclosure model offers features for mounting printed circuit boards and other internal components. These can make the build process significantly faster and easier, and the final product more durable.
  • Customization Options: Since project box enclosure cases can be used for so many different applications and have connectors in so many different places, it’s important to have an easy way to customize yours with features such as machined cutouts. 

Electronics Project Cases from Polycase

Designing an Arduino device? Building a custom stereo amplifier or a homemade power supply? Looking for a durable scientific instrument case? Whatever you’re working on, Polycase offers a full range of project enclosure boxes to meet your needs. 

  • Both plastic and metal enclosures are available, made from durable materials like diecast aluminum, extruded aluminum, and ABS plastic
  • Convenient features like built-in PCB mounting bosses and wall mount flanges
  • Easy customization through our in-house CNC machining and digital printing services
  • Variety of form factors available, including handheld and snap-together models
  • Cost-effective price points for every budget

Shop all of our electrical project boxes here, using the sidebar to sort for your required characteristics and specs.

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  1. EX-50
    As low as $11.50 per unit
    1.93 x 2.70 x 1.39 in.
    49 x 69 x 35 mm.
    Material: Aluminum
  2. SN-20
    As low as $2.29 per unit
    1.97 x 1.38 x 0.87 in.
    50 x 35 x 22 mm.
    Material: ABS
  3. SN-20-00
    As low as $2.29 per unit
    1.97 x 1.38 x 0.87 in.
    50 x 35 x 22 mm.
    Material: ABS
  4. SN-21
    As low as $2.38 per unit
    1.97 x 1.97 x 0.67 in.
    50 x 50 x 17 mm.
    Material: ABS
  5. SN-21-00
    As low as $2.38 per unit
    1.97 x 1.97 x 0.67 in.
    50 x 50 x 17 mm.
    Material: ABS
  6. SN-22
    As low as $2.96 per unit
    1.97 x 1.97 x 1.06 in.
    50 x 50 x 27 mm.
    Material: ABS
  7. SN-22-00
    As low as $2.96 per unit
    1.97 x 1.97 x 1.06 in.
    50 x 50 x 27 mm.
    Material: ABS
  8. AL-70P
    As low as $3.99 per unit
    2.00 x 2.00 x 1.25 in.
    51 x 51 x 32 mm.
    Material: Aluminum
  9. KT-35
    As low as $1.38 per unit
    2.50 x 1.63 x 0.80 in.
    64 x 41 x 20 mm.
    Material: ABS
  10. LP-11F
    As low as $1.63 per unit
    2.50 x 2.50 x 0.90 in.
    64 x 64 x 23 mm.
    Material: ABS
  11. LP-11P
    As low as $1.54 per unit
    2.50 x 2.50 x 0.90 in.
    64 x 64 x 23 mm.
    Material: ABS
  12. Timer Module

    Customized enclosures in as little as 1 week

    Minimal cost. Maximum impact.

    Learn More
  13. EX-53
    As low as $17.71 per unit
    2.72 x 4.48 x 1.39 in.
    69 x 114 x 35 mm.
    Material: Aluminum
  14. EX-56
    As low as $19.85 per unit
    2.72 x 4.53 x 2.03 in.
    69 x 115 x 52 mm.
    Material: Aluminum
  15. KT-40
    As low as $1.58 per unit
    2.75 x 2.00 x 0.80 in.
    70 x 51 x 20 mm.
    Material: ABS
  16. SN-23
    As low as $3.06 per unit
    2.76 x 1.97 x 0.67 in.
    70 x 50 x 17 mm.
    Material: ABS
  17. SN-23-00
    As low as $3.06 per unit
    2.76 x 1.97 x 0.67 in.
    70 x 50 x 17 mm.
    Material: ABS
  18. SN-24
    As low as $3.22 per unit
    2.76 x 1.97 x 1.16 in.
    70 x 50 x 29 mm.
    Material: ABS
  19. SN-24-00
    As low as $3.22 per unit
    2.76 x 1.97 x 1.16 in.
    70 x 50 x 29 mm.
    Material: ABS
  20. SN-25
    As low as $3.64 per unit
    2.76 x 1.97 x 1.65 in.
    70 x 50 x 42 mm.
    Material: ABS
  21. SN-25-00
    As low as $3.64 per unit
    2.76 x 1.97 x 1.65 in.
    70 x 50 x 42 mm.
    Material: ABS
  22. TS-2309F
    As low as $1.20 per unit
    3.00 x 2.00 x 0.90 in.
    76 x 51 x 23 mm.
    Material: ABS
  23. TS-2309P
    As low as $1.20 per unit
    3.00 x 2.00 x 0.90 in.
    76 x 51 x 23 mm.
    Material: ABS
  24. Timer Module

    Customized enclosures in as little as 1 week

    Minimal cost. Maximum impact.

    Learn More

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Digital printing on enclosure for electronics

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CNC Machining

Receive your enclosures with the required machining, saving you time and money. Guaranteed accuracy, no scrap, 1-3 week lead times.
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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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