Plastic Electronic Enclosure Solutions

Electronic enclosures keep your components protected in any environment. Polycase offers an array of electronics boxes and multi-purpose metal and plastic electronic enclosures. Superior materials include high-quality plastic, aluminum, and steel varieties, with indoor and outdoor electronics enclosure options available. From robust NEMA rated enclosures to basic potting boxes, find your perfect fit at Polycase.

Outdoor NEMA rated electrical enclosures with knockouts

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Plastic enclosures and metal boxes for electronics - enclosure sizes

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Stainless steel electrical boxes

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Why Polycase?

Buying direct from the manufacturer saves you time and money. Choose from thousands of metal and plastic electronics enclosure combinations to meet your exact needs. Our knowledge, experience, quality and speed is unmatched, resulting in a convenient and stress free partnership.

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    Same Day Shipping


    Single Source Supplier


    Engineering Support

Customization Services

Customize Your Polycase Enclosure

Save time and impress your customers with a one-of-a-kind design that fits your needs.

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Electronic Enclosures and Boxes from Polycase

Polycase is a premier manufacturer of off-the-shelf plastic electronics enclosures and electrical boxes for OEM's in a variety of industries. Our enclosures are made from high-quality materials including: plastic, aluminum, steel and stainless steel. Designed for a variety of applications and environments, our catalog of electronics enclosure solutions range from waterproof NEMA-rated electrical enclosures to basic indoor potting boxes. Customer service is our top priority and speed is our promise. Stock orders placed before 3pm EST M-F ship same day. Customized orders with CNC machining and digital printing ship within 1-3 weeks. We continue to innovate and expand our product line of plastic enclosures and industrial metal boxes as well as our value-add services to ensure they meet the needs of electronic engineers and designers. We offer over 2,300 variations of off-the-shelf metal and plastic enclosures to ensure you can find your perfect fit. Our knowledgeable customer service representatives are available to answer questions, and our engineering team can answer any highly-technical questions. Reliable and fast, working with us is easy. Polycase has served the electronics industry since 1951, so we can be your trusted partner today and into the future.


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